His elder brother, Tony van Dorp, was also a water polo player, who participated in the 1964 and 1968 Olympics for the United States, and played against his brother.
His younger brother, Fred van Dorp, was also a water polo player, who participated in the 1960, 1964 and 1968 Olympics for the Netherlands, and played against his brother.
Ludwig van Beethoven | Vincent van Gogh | Fred Astaire | Van Morrison | Van Halen | Fred Frith | Gus Van Sant | Anthony van Dyck | Ellen van Dijk | Fred Quimby | Van Diemen's Land | Van | Fred Thompson | Martin Van Buren | Eddie Van Halen | Fred Beckey | Melvin Van Peebles | Jean-Claude Van Damme | Jan van Eyck | Armin van Buuren | Fred MacMurray | Van Cliburn | Townes Van Zandt | Fred Willard | Van, Turkey | Dave Van Ronk | Van Dyke Parks | Van der Graaf Generator | The Dick Van Dyke Show | Lee Van Cleef |