Ahead of the 2016 presidential election , Trump Jr. was a key member of his father 's campaign , characterized by '' The New York Times '' as a " close political adviser " . He spoke at the Republican National Convention , along with his siblings Ivanka , Eric and Tiffany . Some members of his father 's campaign nicknamed him " Fredo " , a reference to Fredo Corleone , a fictional character from '' The Godfather ''
Republican National Convention
2016 Republican National Convention
Donald Trump Jr.