Married to Supergirl actress Melissa Benoist, and appeared in two episodes in season 1 as Cat Grant's son: Adam Foster. Jenner and Benoist separated in 2016.
His favorite sports are basketball and football, and the sports he did in high school were football and wrestling.
Contrary to the belief of some people, Blake is not one of the sons of Caitlyn Jenner, and further, is not related in any way to the 1976 former Olympic Champion.
Son of Richard Vernon Jenner, of English, German and French-Canadian descent, and wife Mitzy, of Cuban descent, from a family from Santiago de Cuba.
Patrilineal great-grandson of Wallace Elmer Jenner (of English and French-Canadian descent, son of Frank Meeser Jenner and wife Sarah "Sadie" Jane Duke) and wife Emma M. Sinn (b. New Jersey, daughter of Wilhelm A. Sinn [b. Germany) and wife Emma M. Friese or Friesser (b. Germany)).