Nordin Catic / Getty Images for The Cambridge U President Trump’s niece married her girlfriend in a secret ceremony. Mary Trump, the daughter of Donald Trump’s late brother Fred Trump Jr., went public in a Substack post published Monday . She revealed that she had actually tied the knot back in October but kept the ceremony under wraps, teasing that there is still “more to the story.” The 60-year-old, who was previously married to another woman, said she wed her “best friend.” Read more at The Daily Beast.