Cynthia Nixon and her fiancée, Christine Marinoni, have welcomed a son, People reports. Marinoni gave birth to Max Ellington Nixon-Marinoni on Feb. 7. Max is Nixon’s third child: The actress has two children, 14-year-old Samantha and 8-year-old Charles, with her ex, photographer Danny Mozes. Nixon and Marinoni have been dating since 2004 and been engaged since 2009.