The one that was with him when he won the Olympic gold medal in Montreal in 1976.
Her name is Chrystie Crownover. They were married from '72 ~ 80. Oddly enough, his current wife Kris is the ex-wife of deceased O.J. Simpson attorney and best friend Robert Kardashian.
BRU, that would be Linda Thompson, Jenner's 2nd wife. The Song "I Have Nothing" was written by David Foster and Linda Thompson in '93 So yes, Jenner's "wife" did write it, but after they had been divorced (in 1983).
I give up. Who was it?