Donald Trump's estranged niece, Mary Trump, has been involved in a longstanding family dispute with him.

Mary Trump has accused her uncle, President Donald Trump, of showing 'alarming' signs of cognitive and physical decline, ...

Mary Trump has suggested that the US President is dealing with "some kind of cognitive issues", as she opened up about a worrying family trait ...

Add Yahoo as a preferred source to see more of our stories on Google. Mary Trump said she married her “best friend” in a small October wedding that went under the radar. The president’s niece ...

Mary Trump criticized Trump’s Presidents Day post, calling his 'hunter' pose absurd and questioning the holiday’s celebration ...