Sam Brody Jenner was born in
Los Angeles, California on August 21, 1983 to retired
1976 Summer Olympics gold medalist and
reality television personality
Caitlyn Jenner and actress and songwriter
Linda Thompson. Jenner is the younger brother of musician and reality television personality
Brandon Jenner. He also has two half-siblings,
Burton "Burt" and Cassandra "Casey" Jenner, from Caitlyn's first marriage to Chrystie Crownover which lasted from 1972 until 1981. After Jenner's parents divorced in 1986, Caitlyn Jenner remarried for the third time in 1991, to
Kris Kardashian, ex-wife of attorney
Robert Kardashian. Jenner became a stepbrother to
Kourtney,
Kim,
Khloé, and
Rob Kardashian. Kris went on to give birth to his younger half-sisters
Kendall and
Kylie Jenner in 1995 and 1997. Caitlyn and her family moved to
Calabasas, California, while Jenner and his brother remained in
Malibu. Jenner's mother
Linda Thompson remarried in 1991, to composer
David Foster. Jenner and his brother
Brandon have stated that after his father's marriage to Kris, Caitlyn became gradually less present in their life leading to them to eventually becoming estranged, and being raised by their mother and stepfather composer
David Foster, who they considered their main paternal figure. They were raised in
Malibu, California, and attended
Crossroads School in Santa Monica. Thompson and Foster divorced in 2005 after 15 years together. ==Reality television career==