Robert Whittaker Biography: Wife, Kids, Age, Net Worth, Height, Parents, UFC Championship

Robert Whittaker is a celebrated Australian professional mixed martial artist, former UFC Middleweight Champion, and one of the most respected fighters in the division.

Nicknamed “The Reaper,” he is known for his elite striking, Brazilian jiu-jitsu, cardio, and humble warrior spirit. Born in New Zealand and raised in Australia, he became the first Australian to win UFC gold, inspiring fans with his resilience, family dedication, and journey from a tough upbringing to global success in MMA.

Quick Facts

• Full Name: Robert John Whittaker
• Stage Name: Robert Whittaker
• Born: December 20, 1990
• Age: 35 years old
• Birthplace: Ōtāhuhu, Auckland, New Zealand
• Nationality: Australian
• Ethnicity: Australian
• Occupation: Professional Mixed Martial Artist
• Height: 6’0″ (183 cm)
• Religion: Christianity
• Parents: Jack Whittaker and Jewel Whittaker
• Siblings: Steven Whittaker
• Spouse: Sofia Whittaker
• Children: John, Jack, Jace, Lilliana, and Azura
• Relationship: Married
• Net Worth: $4 million USD

Early Life and Education

Robert John Whittaker was born on December 20, 1990, in Ōtāhuhu, Auckland, New Zealand, to Jack Whittaker (of European descent) and Jewel Whittaker (of Māori and Samoan ancestry). His family moved to Australia when he was young, and he was raised in Sydney after his parents separated around 2000.

He grew up alongside his brother Steven Whittaker in a housing commission unit with their father, facing modest circumstances. At age six, his father enrolled him in karate for self-defense, sparking his interest in martial arts.

He later trained in boxing, Muay Thai, and Brazilian jiu-jitsu, balancing sports with everyday life while developing the discipline and toughness that defined his fighting career. He also became the legal guardian to his younger half-siblings.

Career

Robert Whittaker began his professional MMA career in 2009 and joined the UFC in 2012. He quickly rose through the middleweight ranks with a well-rounded skill set, showcasing powerful striking and elite grappling. In 2017, he captured the UFC Middleweight Championship by defeating Yoel Romero, becoming Australia’s first UFC champion.

He defended the title successfully before losing it and has since remained a top contender with notable victories over former champions and elite fighters. Known for his humble personality and “Bobby Knuckles” nickname from his early days, he trains at Gracie Jiu-Jitsu Smeaton Grange and continues competing at the highest level while inspiring the next generation through his work ethic and positive representation of Australian and Māori/Samoan heritage in combat sports.

Social Media

• Instagram Handle: @robwhittakermma

Personal Life

Robert Whittaker is married to Sofia Whittaker. The couple shares five children: sons John, Jack, and Jace, and daughters Lilliana and Azura. He is a devoted family man who often prioritizes time with his wife and kids alongside his fighting career.

Whittaker also serves as legal guardian to his younger half-siblings, emphasizing family responsibility. He remains grounded in his faith, Australian roots, and multicultural background while balancing the demands of elite MMA with fatherhood. He is 35 years old. His height is 6’0″ (183 cm).

Net Worth

Robert Whittaker’s net worth is estimated at $4 million USD. His income primarily comes from UFC fight purses and performance bonuses, championship earnings, sponsorships and brand endorsements, social media influence, and appearances in the mixed martial arts industry.