Jenner's first marriage was to Chrystie Crownover (December 15, 1972 – January 2, 1980). They had two children, Burton William "Burt" Jenner (born September 6, 1978) and daughter Cassandra Lynn "Casey" Jenner (born June 10, 1980). In 2009, Jenner became a grandmother to Francesca, her daughter Casey's first child.