Question: old are all the kardashians?
Answer: Caitlyn Jenner: 68 years. Kris Jenner: 62 years. Kourtney Kardashian 39 years. Burt Jenner: 39 years. Kim Kardashian-West: 37 years. Cassandra Marino: 37 years. Brandon Jenner: 36 years. Brody Jenner: 34 years.