Sen. Bob Menendez (center) walks with his son, Rob, and his daughter, Alicia, in 2src17. | Julio Cortez/AP Donāt call him junior. Rep. Rob Menendez, the 38-year-old son of Sen. Bob Menendez, joined the House earlier this year thanks in large part to the family name. Now, heās in a mess because of it. His