She wrote on Instagram that she was "so proud" of her son, Samuel Joseph Mozes, or Seph, who completed his college education earlier in the month.
Nixon shares 21-year-old Samuel, who was born Samantha Mozes, with ex Danny Mozes.
A U.S. Border Patrol union official called out Cynthia Nixon, the Democratic primary challenger to Gov. Andrew Cuomo, after she described Immigration and Customs Enforcement as a "terrorist organization." They have another 15-year old son, Charles.
She married galpal Chistine Marinoni in 2012. Together, they have a son named Max.
Nixon is a longtime advocate for LGBTQ+ rights and a member of the LGBTQ+ community.
Cynthia Nixon's son Seph, posing in a photo on his Facebook page.
Nixon has said she put her hand up for governor because she knows her city can do better and turn itself into a "New York for the many, not just the few." .
"I think we've come a really long way; I think we also have a far way to go".
No matter where you stand politically, it's always awesome to see a parent accepting and loving his or her children for exactly who they are.