Barron Trump was born in the US on March 20, 2006.His mother, Melania Trump became a US citizen on July 28, 2006. Therefore, Barons’ mother was NOT a US citizen at the time she gave birth to him. Thus, based on Donald Trumps de cree that one should not have citizenship unless both of one’s’ parents are US citizens at birth.. Barron Trump is NOT. A valid citizen of the United Stares.