Donald John "Don" Trump Jr. is an American businessman. He is the eldest child of real estate developer and President-elect of the United States, Donald Trump, and his first wife, Czech model Ivana Trump. He currently works along with his sister Ivanka and brother Eric in the position of Executive Vice President at The Trump Organization. Trump was born on December 31, 1977 in Manhattan, New York City, to Ivana Marie (née Zelníčková) and Donald John Trump. He has two younger siblings, Ivanka and Eric. He also has two half siblings, Tiffany, from his father's marriage to Marla Maples, and Barron, from his father's current marriage to Melania Trump. Trump was particularly close to his maternal grandfather and is fluent in Czech. Wikipedia
1. He is happy for that!