Thomas Booker IV’s Family: Girlfriend, Children, Parents and Siblings

Last Updated on November 5, 2026 by Mariah Miranda

Thomas Booker IV is an American professional football player who plays as a defensive tackle for the Las Vegas Raiders in the National Football League (NFL). Beyond his football career, Booker comes from a highly accomplished family with strong connections to professional law, business, education and athletics.

Born Earl Thomas Booker IV on November 11, 1999, in Ellicott City, Maryland, he is the son of Earl Thomas Booker III and Ava Lias-Booker. His father previously played college football at the University of Wisconsin, while his mother is a prominent attorney and partner at the international law firm McGuireWoods.

Booker also has an older sister, Sydney Booker, who attended Princeton University and Duke University School of Law. His family’s emphasis on academic excellence, discipline and community involvement helped shape his development into both a successful student and an NFL player.

Here is everything publicly known about Thomas Booker IV’s family, including his girlfriend, children, parents and siblings.

Thomas Booker IV’s Girlfriend: Is He Dating Anyone?

Thomas Booker IV has maintained considerable privacy regarding his romantic relationships. There is no reliable public confirmation identifying his current girlfriend or romantic partner.

Although Booker has participated in numerous interviews throughout his football career, most of his public discussions have focused on his family background, academic achievements, professional ambitions and community involvement.

His official biographies with Stanford University and the Las Vegas Raiders do not identify a girlfriend or spouse.

There is also no verified public announcement confirming that Booker is married.

Without confirmation from the player or credible reporting, his relationship status remains unknown. It would therefore be inaccurate to identify a particular person as his girlfriend or definitively describe him as single.

Thomas Booker IV’s Children: Does He Have Any Kids?

There is no verified public information confirming that Thomas Booker IV has children.

The Las Vegas Raiders defensive tackle has not publicly identified a son or daughter through his official NFL biography or widely reported interviews.

While Booker has discussed the importance of family and the influence of his parents, these conversations have generally focused on his upbringing rather than children of his own.

Therefore, whether Thomas Booker IV has children remains unconfirmed. No reliable information establishes the names, ages or birth dates of any children.

Thomas Booker IV’s Parents

Thomas Booker IV’s parents are Earl Thomas Booker III and Ava Lias-Booker. Both have established successful professional careers and played important roles in their son’s development.

Their identities are confirmed in Booker’s official Stanford University athletics biography, which also documents his father’s college football background and his sister’s academic achievements.

Thomas Booker IV’s Father: Earl Thomas Booker III

Thomas Booker IV’s father is Earl Thomas Booker III, also known as Tom Booker, a former college football player and financial consultant.

Earl attended Gilman School in Baltimore, Maryland, where he developed into a talented football player.

He subsequently earned an opportunity to play college football at the University of Wisconsin, competing as an outside linebacker.

According to Stanford University’s official athletics biography, Earl became a starting outside linebacker during his freshman season at Wisconsin.

In an August 2017 interview with Irish Sports Daily, Earl explained that he entered the starting lineup during the third game of his freshman season and retained his position for the remainder of the campaign.

His experiences as a college athlete later influenced his approach to raising his son.

Although Earl understood the opportunities football could provide, he also emphasized the importance of education, preparation and personal development.

One particularly interesting aspect of their relationship is that both father and son attended Gilman School.

Earl explained that the institution’s emphasis on academic excellence, honor and character development made it a valuable environment for young athletes.

He wanted Thomas to benefit from the same educational opportunities that had influenced his own development.

However, Earl did not immediately push his son into organized football.

During the 2017 interview, he revealed that Thomas initially excelled in basketball and did not begin playing organized football until approximately age 13.

His parents wanted him to develop a wide range of athletic abilities rather than concentrate exclusively on football at a young age.

As Thomas became older, Earl provided advice about football positions, training and the importance of developing a strong work ethic.

During an April 2022 interview with PressBox, Thomas recalled his father’s advice about the difference between offensive and defensive football.

He explained that his father encouraged him to understand the physical demands of each position before deciding which role suited his personality and athletic abilities.

Thomas eventually chose to specialize on defense, following a similar path to his father.

Outside athletics, Earl established a career in finance and business. A February 2025 report by Capital News Service identified him as a financial consultant.

He has continued supporting his son’s professional football career, including attending major events such as Super Bowl LIX in February 2025.

Thomas Booker IV’s Mother: Ava Lias-Booker

Thomas Booker IV’s mother is Ava E. Lias-Booker, a highly accomplished American attorney and partner at McGuireWoods LLP, an international law firm.

Ava has built a distinguished career in complex commercial litigation, representing major businesses in high-profile legal disputes.

According to her official McGuireWoods biography, she graduated from Duke University in 1982 before earning her law degree from the University of Maryland Francis King Carey School of Law in 1986.

She subsequently established herself as a respected trial and appellate lawyer in Baltimore, Maryland.

Ava joined McGuireWoods as a partner in 2004 and later served in several leadership positions within the firm.

These responsibilities included managing partner of the Baltimore office, chair of the firm’s Diversity and Inclusion Committee and membership on its Board of Partners.

She has received numerous professional honors for her contributions to the legal profession.

Her recognitions include being named among Maryland’s leading lawyers and receiving awards acknowledging her leadership and efforts to expand opportunities within the legal industry.

In August 2025, McGuireWoods published an article highlighting her career following an interview with the Maryland Bar Journal.

The feature discussed her professional achievements, leadership roles and commitment to mentoring younger attorneys.

Beyond her legal career, Ava has participated in community organizations and served on boards connected to healthcare, education and the arts.

Her achievements provided Thomas with an example of professional excellence outside athletics.

During a 2020 interview with Untold Athletes, Booker spoke positively about seeing his mother succeed in the legal profession and his father succeed in business.

He explained that their professional accomplishments helped him recognize that success was possible in multiple fields.

Ava also played an important role in emphasizing education and encouraging her son to pursue opportunities beyond football.

Her support contributed to Thomas’s decision to attend Stanford University, where he could combine elite college football with a demanding academic program.

Thomas Booker IV’s Siblings: Meet His Older Sister

Thomas Booker IV has one publicly confirmed sibling, an older sister named Sydney Booker.

Stanford University’s official football biography identifies Sydney as his sister and documents her academic and athletic achievements.

There is no reliable public information establishing that Thomas has additional brothers or sisters.

Sydney Booker: Thomas Booker IV’s Older Sister

Sydney Booker is Thomas Booker IV’s older sister and an accomplished former college student-athlete.

She attended Princeton University, where she participated in junior varsity tennis while pursuing her education.

Her involvement in college athletics reflects the family’s broader commitment to combining academic achievement with sporting activities.

After completing her undergraduate education at Princeton, Sydney continued her studies at Duke University School of Law.

Stanford University’s athletics biography confirms that she graduated from Duke Law School.

Sydney also developed an interest in foreign languages and international experiences.

According to Stanford’s university records, she speaks Mandarin and Spanish, demonstrating the family’s emphasis on education and cultural awareness.

Her interest in Mandarin also influenced her younger brother.

During an April 2022 interview with PressBox, Thomas explained that he had studied Mandarin partly because Sydney participated in an immersion program in China.

He also revealed that he traveled to China to visit her.

These experiences helped broaden Thomas’s interests beyond sports and encouraged him to appreciate different cultures.

Although Sydney’s educational background is publicly documented, additional information about her personal relationships and current professional activities remains relatively limited in sports reporting.

Thomas Booker IV’s Extended Family

Thomas Booker IV also comes from an extended family with a history of participation in competitive athletics.

His official Stanford University biography identifies his uncle, Richard E. Lias, and his cousin, Corbin Booker, as relatives who pursued college sports.

Richard E. Lias: Thomas Booker IV’s Uncle

Richard E. Lias is Thomas Booker IV’s uncle and a former college football player.

According to Stanford University athletics records, Richard played football at St. Francis.

His experience represents another example of competitive football within Booker’s extended family.

Corbin Booker: Thomas Booker IV’s Cousin

Corbin Booker is Thomas Booker IV’s cousin and a former college lacrosse player.

Stanford University’s official biography identifies Corbin as a lacrosse player at Brown University.

His participation in collegiate athletics further demonstrates the family’s connections to sports at the university level.

Thomas Booker IV’s Childhood and Family Background

Thomas Booker IV grew up in Ellicott City, Maryland, in a family that placed considerable emphasis on education, discipline and athletics.

His parents encouraged him to become a well-rounded individual capable of succeeding in different areas of life.

During his childhood, Thomas participated in basketball before eventually developing a serious interest in football.

His father, who had previously played at Wisconsin, recognized his athletic potential but wanted him to develop physically and academically before concentrating on the sport.

Booker later attended Gilman School, a private school in Baltimore known for its academic and athletic programs.

At Gilman, he became a standout football player while also competing in basketball and track and field.

He developed into one of Maryland’s leading high school defensive prospects and earned first-team All-State recognition.

Booker also served as track team captain and excelled in the shot put.

Beyond athletics, he participated in student leadership and academic activities, including serving as senior class vice president.

He was also involved in the Chinese Honor Society, reflecting his interest in language learning.

His academic and athletic achievements attracted attention from major college football programs.

Booker ultimately committed to Stanford University, choosing a school that offered both competitive football and strong academic opportunities.

How Thomas Booker IV’s Parents Influenced His Football Career

Thomas Booker IV’s parents played an important role in shaping his approach to football and education.

His father provided direct experience with the demands of playing college football, while his mother demonstrated the importance of academic achievement and professional leadership.

In an August 2017 interview with Irish Sports Daily, Earl Booker III described the family as hardworking and emphasized the importance of taking responsibilities seriously.

Thomas adopted this approach throughout his high school and college career.

At Stanford, he became an important member of the Cardinal’s defensive line while maintaining an exceptional academic record.

He played college football from 2018 through 2021 and appeared in 43 games, making 27 starts.

Booker recorded 158 tackles, 20.5 tackles for loss and 10 sacks during his college career, according to the Las Vegas Raiders’ official biography.

He also earned All-Pac-12 recognition and became a two-time first-team Academic All-American.

Stanford University’s official reporting confirms that Booker graduated with a degree in economics and a minor in communication.

He achieved a 3.88 grade-point average, demonstrating his ability to balance demanding athletic and academic schedules.

His achievements reflected the priorities established by his parents during childhood.

Thomas Booker IV’s Family Values and Community Involvement

Another important aspect of Thomas Booker IV’s upbringing was his family’s emphasis on community involvement and social responsibility.

During his time at Stanford, Booker became involved in discussions about social issues, equality and civic engagement.

In a November 2021 article published by Stanford Athletics, he explained that his parents regularly encouraged discussions about current events and social responsibilities within their household.

These conversations influenced his understanding of society and helped him develop an interest in making positive contributions beyond football.

Booker later became involved in community initiatives and public conversations about issues affecting young people.

In June 2024, he participated in a White House panel discussing gun violence and its effects on communities.

The Philadelphia Eagles highlighted his involvement in the event in their official player biography.

His participation reflected the broader family tradition of combining professional achievement with civic responsibility.

Thomas Booker IV’s Journey to the NFL

After completing his college football career at Stanford, Thomas Booker IV entered the 2022 NFL Draft.

The Houston Texans selected him in the fifth round with the 150th overall pick.

Booker made his NFL debut during the 2022 season, appearing in 10 games for Houston.

After being released by the Texans in August 2023, he joined the Philadelphia Eagles’ practice squad.

He continued developing his skills and eventually secured a place on Philadelphia’s active roster.

During the 2024 season, Booker appeared in all 17 regular-season games for the Eagles.

He was also a member of the Philadelphia team that defeated the Kansas City Chiefs in Super Bowl LIX in February 2025.

The achievement represented a significant milestone in his professional career and an important occasion for his family.

According to a February 2025 report by Capital News Service, both of his parents attended the Super Bowl to support him.

In August 2025, the Las Vegas Raiders acquired Booker through a trade with Philadelphia.

He subsequently established himself as a regular contributor to the Raiders’ defensive line.

During the 2025 season, he appeared in all 17 games and made 13 starts, recording 44 tackles and seven quarterback hits.

The Raiders re-signed Booker in March 2026, allowing him to continue his NFL career in Las Vegas.

Frequently Asked Questions About Thomas Booker IV’s Family

Who is Thomas Booker IV’s girlfriend?

Thomas Booker IV has not publicly confirmed the identity of a girlfriend through reliable reporting. His current relationship status remains private.

Is Thomas Booker IV married?

There is no verified public announcement confirming that Thomas Booker IV is married.

Does Thomas Booker IV have children?

There is no reliable public information establishing that Thomas Booker IV has children.

Who is Thomas Booker IV’s father?

His father is Earl Thomas Booker III, a former University of Wisconsin football player who later established a career as a financial consultant.

Who is Thomas Booker IV’s mother?

His mother is Ava Lias-Booker, an accomplished attorney and partner at the international law firm McGuireWoods.

How many siblings does Thomas Booker IV have?

Thomas Booker IV has one publicly confirmed sibling, his older sister Sydney Booker.

Who is Thomas Booker IV’s sister?

His sister is Sydney Booker, a Princeton University graduate who also attended Duke University School of Law.

Did Thomas Booker IV’s father play football?

Yes. Earl Thomas Booker III played college football at the University of Wisconsin as an outside linebacker.

Is Thomas Booker IV related to Corbin Booker?

Yes. Corbin Booker, who played college lacrosse at Brown University, is Thomas Booker IV’s cousin.

What is Thomas Booker IV’s full name?

His full name is Earl Thomas Booker IV.

When was Thomas Booker IV born?

Thomas Booker IV was born on November 11, 1999.

Where is Thomas Booker IV from?

Thomas Booker IV is from Ellicott City, Maryland, and attended Gilman School in Baltimore before enrolling at Stanford University.

What did Thomas Booker IV study at Stanford?

He graduated from Stanford University with a degree in economics and a minor in communication.

Has Thomas Booker IV won a Super Bowl?

Yes. He was a member of the Philadelphia Eagles team that won Super Bowl LIX in February 2025.