Mark Cuban, Jake Cuban, Alyssa Cuban, and Alexis Cuban attend the 69th NBA All-Star Game on Feb. 16, 2020 in Chicago, Illinois. Credit : Kevin Mazur/Getty ...

Mark married his wife Marilou York in 1978, and the following year the couple welcomed son Nathan. A second son, Griffin, followed in 1983, before they had a daughter, Chelsea, in 1988.