Kris Jenner claims Blac Chyna 'threatened to kill' Kylie Jenner
Gallery: Birthdays, cats and A GIRAFFE! A look back on the week on Instagram (BANG Showbiz)'The Kardashians' star - who also has Kendall, 26 with Caityln as well as reality stars Kourtney, 42, Kim, 41, Khloe, 37, and Rob, 35, with the late Robert Kardashian - added that the alleged threat was "alarming" but the family made the decision to keep it to themselves. According to PageSix, Kris added: "Of course it was alarming but we just kept it in the family.