Bo Derek's family tree comes with an unexpected detail: her stepdaughter is older than she is. The 10 actress, 69, became stepmother to Sean Catherine Derek when she married actor and filmmaker John Derek in 1976. Sean was already 22, while Bo was just 19.
Today, Sean is 73, having celebrated her birthday on October 16. Bo turns 70 on November 20, meaning their actual age gap is a little over three years. And while Bo became one of Hollywood's most recognizable faces, Sean built a successful career behind the camera.
Who is Bo Derek's stepdaughter Sean Catherine Derek?
Sean is the daughter of John Derek and his first wife, actress and ballerina Pati Behrs. Her older brother, Russell, was also older than Bo.
Her father's subsequent marriages brought two more famous women into her family before Bo: Dr. No actress Ursula Andress and Dynasty star Linda Evans. John married Bo in 1976, and they remained together until his death in 1998.
Sean explored her upbringing in her 1982 memoir, Cast of Characters, writing about her father and the women in his life. She later helped Linda with her own 2011 memoir, maintaining a connection that outlasted Linda's marriage to John.
Her early working l...