President Trump has become a grandfather for the ninth time, with his son Eric and daughter-in-law Lara yesterday (September 12th) announcing the arrival of their first child, a boy named Eric "Luke" Trump. The news was announced on Twitter, and the president offered congratulations in his own tweet. Trump's oldest son, Donald Jr., and his wife Vanessa have five children, and daughter Ivanka and her husband Jared Kushner have three children. Eric is the executive vice president of The Trump Organization.