Simone Biles may be a world-renowned gymnast, but her journey to success was not an easy one. At just 6 years old, she and her siblings were placed in foster care due to their mother's struggles with substance abuse. But fortunately, her grandparents, Ronald and Nellie Biles, stepped in and adopted Simone and her sister, while their two older siblings were adopted by a great-aunt. In a recent episode of her Facebook Watch series, Simone opened up about her upbringing and expressed her gratitude for her grandparents' support and love. Read on to learn more about Simone Biles' family and the role they played in her incredible journey to become one of the greatest gymnasts of all time.