Tags: Swimmer.
Jeannette Jenny Hermine Kastein (24 January 1913 – 20 October 2000) was a Dutch breaststroke swimmer. She won a silver medal in the 200 m breaststroke at the 1931 European Championships. Next year she set four world records in the 400 m and 500 m breastroke (unofficial events) but could not compete in the Olympics due to the overall financial problems related to the Great Depression.
