Yolanda was married to Mohamed Hadid, the father of Anwar, Bella, and Gigi, from 1994-2000. Then, she was married to David from 2011-2017.

Previously, David was married to Linda Thompson from 1991-2005. However, before that relationship, she was married to Caitlyn Jenner from 1981-1986.

Caitlyn went on to be married to Kris Jenner from 1991-2015. Together, they had two daughters, Kendall and Kylie.

As teenagers, Kendall and Bella met online and became friends. After Bella, Kendall met Gigi, whom she also became friends with, and Anwar, whom she reportedly dated casually in 2018.

Source: https://www.buzzfeed.com/kristenharris1/strange-connections-celeb-exes