Pieter van Senus
Pieter van Senus was a Dutch swimmer and water polo player. He competed in the men's 100 metre backstroke event at the 1924 Summer Olympics and the water polo at the 1928 Summer Olympics.
Pieter is the younger brother of water polo player Han van Senus, who was part of the national team at the 1924 Summer Olympics and also at the 1928 Summer Olympics.