Article continues below advertisementDonald Trump's father, Fred Trump Sr., is allegedly the reason he's "so damaged, so needy, and so grasping," according to his niece Mary Trump. In a new YouTube video uploaded on Thursday, January 1, the daughter of Donald's late brother Fred Trump Jr. claimed the president, 79, was never loved by his father, leaving him with a "black hole of need."Mary, a psychologist, went as far as to dub a Fred Sr. a "patriarchal, authoritarian sociopath.