Doting Melania Trump leaves adult son Barron red-faced by calling him 'child that needs non-stop support'19-year-old Barron Trump is a second year business school student at New York University. View 3 Images (Image: Getty Images)Asked about the challenges of being first lady, Melania Trump's first thought was of her adult son, who she called "a child" who needs "nonstop" support. ‌19-year-old Barron Trump is a second year business school student at New York University. Speaking in an interview with Fox Business' Maria Bartiromo, Melania Trump said a main focus of being First Lady is her family. You need to be there for a child nonstop, especially when they need you and especially at the age Barron is," Melania Trump said.