Wilma van Velsen
Margot Wilhelmina Teunisje van Velsen is a former butterfly and freestyle swimmer from The Netherlands, who twice competed for her country at the Summer Olympics, starting in 1980 in Moscow, Soviet Union. There she won the bronze medal in the 4×100 m freestyle relay, alongside Conny van Bentum, Annelies Maas and Reggie de Jong. Four years later in Los Angeles, United States she was a member of the silver winning team in the same event, although she just swam in the qualifying heats to bring The Netherlands to the final. There the team was made up by Conny van Bentum, Desi Reijers, Annemarie Verstappen, and Elles Voskes.
Between 1981 and 1983 van Velsen won three medals at European and world championships, also in the 4 × 100 m freestyle relay.