The former Olympic decathlete and motivational speaker has six children with three different wives: Burt Jenner, 45, and Cassandra Marino, 43, with Chrystie Scott, Brandon Jenner, 42, and Brody Jenner, 40, with Linda Thompson and Kendall Jenner, 28, and Kylie Jenner, 26, with Kris Jenner. Over the years, Caitlyn has been open about her shortcomings as a parent to her half-dozen kids — particularly her eldest four.