Last Updated on October 30, 2026 by Tanos Potter
Mason Graham is an American professional football player who plays as a defensive tackle for the Cleveland Browns in the National Football League (NFL). Born on September 2, 2003, in Mission Viejo, California, Graham developed into one of the country’s most talented defensive linemen during his college football career at the University of Michigan.
Behind his success is a supportive family that includes his parents, Allen and Kimberly Graham, his younger brother, Carson Graham, and his grandmother, Linda Donoso. Graham has also been publicly linked to Serena Nyambio, a former University of Michigan volleyball player. Although he has shared several important family moments with fans, details about whether he has children and his current relationship status remain limited.
Mason Graham’s Girlfriend and Relationship Status
Mason Graham has been in a publicly documented relationship with Serena Nyambio, a talented American volleyball player who represented the University of Michigan.
The couple attracted public attention during the 2024 ESPY Awards, where they appeared together on the red carpet. Their relationship subsequently received additional coverage when Nyambio accompanied Graham during the 2025 NFL Draft in Green Bay, Wisconsin.
Following Graham’s selection by the Cleveland Browns with the fifth overall pick, Nyambio celebrated the achievement on social media.
According to an April 2025 report published by Sports Illustrated, Nyambio shared photographs from draft night and expressed her excitement about Graham beginning his professional football career in Cleveland.
She also attended other public events with Graham during his time as a Michigan football player.
Although their relationship was publicly documented in 2024 and 2025, as of now, there is insufficient recent confirmation to establish whether the couple remains together.
Who Is Serena Nyambio?
Serena Odette Nyambio is an American volleyball player born on February 10, 2004, in Michigan. She attended Detroit Country Day School before joining the University of Michigan women’s volleyball program.
Nyambio played as a middle blocker for the Wolverines and developed into one of the team’s most productive defensive players.
During the 2024 season, she appeared in 30 matches, making 29 starts. She recorded 203 kills and 140 total blocks while earning Academic All-Big Ten and College Sports Communicators Academic All-Region honors.
She continued her successful college career in 2025, receiving Second-Team All-Big Ten and AVCA All-North Region First-Team recognition.
Beyond volleyball, Nyambio pursued academic interests in medicine. She studied Biology, Health & Society at Michigan and completed a minor in Business Administration.
Her interest in medicine was influenced by her parents, Jean Felix and Sandrine Nyambio, who both work in healthcare-related professions.
Although Nyambio and Graham pursued different sports, their time as University of Michigan student-athletes gave them a shared connection to collegiate athletics.
Does Mason Graham Have Children?
As of now, there is no verified public information confirming that Mason Graham has children.
The Cleveland Browns defensive tackle has not publicly announced becoming a father, and his official NFL and University of Michigan biographies do not identify any sons or daughters.
Although Graham has spoken about the importance of his parents, younger brother and grandmother, he has not shared confirmed information about having children of his own.
Therefore, any claims about possible children should be treated as unconfirmed unless supported by reliable evidence.
Mason Graham’s Parents
Mason Graham was born to Allen Graham and Kimberly Graham, who raised him in Southern California.
His parents played important roles in introducing him to organized sports, encouraging him to develop his athletic abilities and supporting his journey from high school football to the NFL.
Both attended the 2025 NFL Draft, where they watched their son achieve his dream of becoming a professional football player.
Mason Graham’s Father: Allen Graham
Mason Graham’s father is Allen Graham, an American business professional who has worked as a regional sales manager for Wastequip, a company specializing in waste-handling equipment.
According to a profile published by Pro Football Network in April 2025, Allen graduated from Azusa Pacific University with a degree in business administration.
Although he did not pursue a professional athletic career, Allen encouraged his children to participate in sports from an early age.
During an interview with The Michigan Daily in November 2024, Allen recalled that Mason initially played soccer when he was approximately four years old.
However, the young Graham displayed a naturally physical playing style that made him particularly suited to contact sports.
Other parents and coaches noticed his aggressive approach to soccer and suggested that football could be a better fit.
Allen subsequently encouraged Mason to explore different sports, including football, rugby, basketball and baseball.
The family believed that participating in sports was an important part of childhood development.
Allen also explained that Mason generally preferred contributing to team success rather than seeking individual attention.
As his son developed into a standout football player at Servite High School, Allen continued supporting his athletic ambitions.
His involvement remained important when Mason decided to attend the University of Michigan, where he eventually became a national champion and All-American defensive lineman.
In April 2025, Allen attended the NFL Draft alongside Kimberly and other family members to celebrate Mason’s selection by the Cleveland Browns.
He subsequently accompanied Mason to Cleveland for his introductory visit to the team’s training facility.
Mason Graham’s Mother: Kimberly Graham
Mason Graham’s mother is Kimberly Graham, who has been an important source of encouragement throughout his childhood and football career.
Although Kimberly maintains a relatively private professional life, she has participated in interviews about her son’s development as an athlete.
During a conversation reported by the Detroit Free Press, Kimberly recalled watching Mason play soccer when he was a young child.
She explained that her son’s unusual physical strength and enthusiasm for contact frequently surprised his coaches and other parents.
One of his soccer coaches even suggested that he might be more suited to playing football.
Kimberly and Allen subsequently supported Mason as he explored different sports before eventually concentrating on football and wrestling.
Throughout his high school career, Kimberly remained involved in supporting his development and academic progress.
Her encouragement continued when Mason moved from California to Michigan to pursue his college football career.
In April 2025, Kimberly accompanied her son to Green Bay, Wisconsin, for the NFL Draft.
She was also present when the family visited the Cleveland Browns’ headquarters following his selection.
According to BrownsZone, Graham expressed his appreciation for having his parents and other relatives with him during the important occasion.
Although detailed information about Kimberly’s occupation is not widely available, her involvement in Mason’s athletic journey has been documented through interviews and public appearances.
Mason Graham’s Siblings
Mason Graham has a publicly identified younger brother named Carson Graham, who is also pursuing a career in American football.
The brothers share a strong connection through their upbringing in a family that encouraged competitive sports.
Although Carson is the sibling most frequently mentioned in media coverage, reliable sources do not establish whether Mason has additional brothers or sisters.
Carson Graham: Mason Graham’s Younger Brother
Carson Graham is Mason Graham’s younger brother and a promising American high school football player.
Like Mason, Carson developed an interest in competitive football and began attracting attention from college football recruiting analysts.
He attended Kahuku High School in Kahuku, Hawaii, where he played along the defensive line.
Carson is part of the 2028 high school graduating class and has participated in recruiting events designed to showcase talented young football prospects.
In January 2025, recruiting analyst Greg Biggins reported that Carson was already approximately 6 feet 2 inches tall and weighed around 230 pounds.
He attracted attention during the junior portion of the Polynesian Bowl activities, where coaches and recruiting observers evaluated prospective college football players.
His performances led to comparisons with his older brother, who had become one of the leading defensive linemen in college football.
According to a 2026 report published by Maize n Brew, Carson had earned three-star recruiting recognition and received scholarship offers from programs including USC, Hawaii and San Diego State.
He also expressed interest in potentially following Mason’s path to the University of Michigan, although his college destination had not been finalized.
Carson’s development demonstrates the continuing connection between the Graham family and American football.
Mason Graham’s Grandmother: Linda Donoso
Another important figure in Mason Graham’s family is his grandmother, Linda Donoso, who has maintained a close relationship with the NFL defensive tackle.
Her influence became widely recognized during the 2025 NFL Draft, when she delivered an emotional message celebrating her grandson’s football journey.
In a video shared by the NFL, Donoso read a personal letter describing Mason’s development from a young boy playing soccer to a successful college football player preparing to enter the professional league.
The message recalled how Mason initially displayed his enthusiasm for physical competition while participating in youth sports.
She also discussed watching him develop throughout high school and college, expressing her pride in his determination and accomplishments.
Graham became visibly emotional while listening to his grandmother’s words.
Following the video, he explained that Linda had always been an important presence in his life and described her as a second mother.
He also acknowledged the difficulties she experienced following the death of his grandfather.
Graham expressed his desire to continue making his grandmother and parents proud through his football career.
The emotional moment attracted widespread attention and highlighted the close relationship between the defensive lineman and his family.
According to The Wolverine, Linda joined Allen and Kimberly Graham during Mason’s introductory visit to the Cleveland Browns’ training facility following the draft.
How Mason Graham’s Family Influenced His Football Career
Mason Graham’s football journey began in Mission Viejo, California, where he grew up participating in several sports.
His parents encouraged him to remain physically active and explore different athletic interests from a young age.
Although soccer was among his earliest activities, his physical playing style eventually led him toward American football.
Graham subsequently attended Servite High School in Anaheim, California, where he became an outstanding football player and heavyweight wrestler.
During his senior football season, he recorded 60 tackles, 22 tackles for loss and 14 sacks.
His performances earned him recognition as the Los Angeles Times High School Football Player of the Year in 2021.
He was also a two-time Trinity League heavyweight wrestling champion, demonstrating his strength and athletic versatility.
After initially committing to Boise State University, Graham changed his decision and joined the University of Michigan football program.
He developed into a key defensive player for the Wolverines, contributing to the team’s undefeated 2023 season and victory in the College Football Playoff National Championship.
During his final college season in 2024, Graham recorded 45 tackles, seven tackles for loss and 3.5 sacks.
His performances earned unanimous First-Team All-American recognition and established him among the leading defensive prospects entering the 2025 NFL Draft.
On April 24, 2025, the Cleveland Browns selected Graham with the fifth overall pick.
His parents, grandmother and girlfriend were among the people who publicly celebrated the achievement.
During his introductory news conference, Graham explained that reaching the NFL was especially meaningful because of the support he received from his family throughout his development.
His journey from Southern California to Michigan and eventually Cleveland demonstrates how family encouragement helped him pursue his professional ambitions.
Frequently Asked Questions About Mason Graham’s Family
Who is Mason Graham’s girlfriend?
Mason Graham was publicly linked to Serena Nyambio, a former University of Michigan volleyball player. Their relationship was documented during the 2024 ESPY Awards and 2025 NFL Draft, although their current relationship status has not been independently confirmed.
Is Mason Graham married?
As of now, there is no verified public information confirming that Mason Graham is married or has a wife.
Does Mason Graham have children?
There is no verified public information confirming that Mason Graham has any children.
Who is Mason Graham’s father?
His father is Allen Graham, a graduate of Azusa Pacific University who has worked as a regional sales manager for Wastequip.
Who is Mason Graham’s mother?
His mother is Kimberly Graham, who supported his development as a multi-sport athlete throughout his childhood and college football career.
Does Mason Graham have siblings?
Yes. Mason Graham has a younger brother named Carson Graham, who plays high school football. No additional siblings have been reliably identified in the reviewed sources.
Who is Carson Graham?
Carson Graham is Mason Graham’s younger brother and a defensive line prospect from Kahuku High School in Hawaii. He belongs to the 2028 recruiting class.
Who is Mason Graham’s grandmother?
His grandmother is Linda Donoso, who attracted attention during the 2025 NFL Draft after delivering an emotional message celebrating her grandson’s achievements.
Where is Mason Graham’s family from?
Mason Graham was born in Mission Viejo, California, and grew up in Southern California. By the time of the 2025 NFL Draft, his family was living in Hawaii.
Who is Serena Nyambio?
Serena Nyambio is a former University of Michigan volleyball player who was publicly identified as Mason Graham’s girlfriend in 2024 and 2025. She earned several academic and athletic honors during her college career.
Tanos Potter is a sports journalist and NFL analyst dedicated to bringing fans closer to the gridiron through deep tactical analysis and roster coverage. He breaks down offensive and defensive schemes, quarterback performance, trade moves, and top Draft prospects. Tracking action across both the AFC and NFC, Tanos translates complex playbooks and statistics into engaging, actionable insights for football enthusiasts.
