The former Sex and the City star and current NY gubernatorial candidate revealed on Instagram on Friday that her oldest child is transgender.
In the post, she mentioned how proud she was of Samuel, who goes by the nickname Seph, and that she "salutes" him.
Cynthia is also the mother of her 15-year-old son, Charles Ezekiel Mozes.
Nixon shared the news in a post celebrating her son on the Trans Day of Action with a photo from his graduation earlier this month from the University of Chicago. As you may know, Nixon shares 21-year-old Samuel with her ex, Danny Mozes.
She is married to activist Christine Marinoni.
On her Twitter, Nixon wrote that even though the LGBTQI community have greater visibility and acceptance than ever before, "members of the trans community are at a much higher risk of experiencing violence and discrimination".
Friday, June 22 marks the 14th annual Trans Day of Action.
This statement is emblematic of a large portion of Nixon's campaign, which - other than the platform on improving New York City's notoriously oft-delayed subway system - has been focused on abolishing Immigration and Customs Enforcement (ICE), the federal law enforcement agency tasked with arresting and deporting immigrants. "I think they are very proud".