Toos Beumer
Catharina Johanna "Toos" Beumer is a Dutch swimmer. She won the bronze medal in the 4×100 metres freestyle relay at the 1964 Summer Olympics in Tokyo. Her teammates in that race, clocked in 4:12.0, were Pauline van der Wildt, Erica Terpstra and Winnie van Weerdenburg. Four years later, Beumer also participated in the 1968 Summer Olympics in Mexico City, in the 100 m freestyle, but she didn't qualify for the semi-finals.
