Stephanie, known as Steffy, was born on February 16th, 1989. Steffy's father is Sly Foster and her mother is Stephanie Brady Foster. Her paternal grandfather was Willy Earl Johnson and her paternal grandmother is Josephine Johnson; her maternal grandfather was Shane Brady and her maternal grandmother is Maureen Brady. She has a brother named Sage. She is the older of the two children. She had a half-brother named Harry.