Trump's 17-year-old granddaughter Kai says it was 'heartbreaking' when he was shot |18 July 2024 | Former President Donald Trump's 17-year-old granddaughter took to the stage at the Republican National Convention Wednesday night to share a side of her grandfather she said most people don't see. Kai is the daughter of Donald Trump Jr., and his ex-wife, Vanessa Trump. Kai said she her dad to speak at the RNC on Monday. "The media makes my grandpa seem like a different person," Kai said. "But I know him for who he is. He is very caring and loving. He truly wants the best for this country. And he will fight every single day to make America great again." ..."He calls me during the middle of the school day to ask how my golf game is going, and tells me all about his," Kai said. "But then I have to remind him that I'm in school and I'll have to call him back later."