The pair each have three kids of their own from previous relationships. Kourtney is mom to Mason, 14, Penelope, 11, and Reign, 9, all of whom she shares with her ex Scott Disick. Meanwhile, Travis shares Landon, 20, Alabama, 17, and his stepdaughter, Atiana, 24, with his ex-wife Shanna Moakler.
Source: https://www.buzzfeed.com/leylamohammed/kourtney-kardashian-shares-postpartum-body-update