Reign is Kourtney Kardashian 's son .
Kardashian has three children with Disick : son Mason ( born December 2009 ) , daughter Penelope ( born July 2012 ) , and daughter Reign ( born December 2014 ) .Kardashian and Disick 's on-again , off-again relationship has been shown on Keeping Up With the Kardashians and its numerous spin offs .
Kourtney Kardashian