Marcelle Humblot
In 1931 she broke two times the 200 metre backstroke national record; on 21 March (3:11.8) and 25 April (3:04.8). She also broke twice the 100 metre backstroke national record; on 12 May (1:26.6) and 12 July (1:25). In August she became national champion at the  with a time of 1:26.6. She became a member of the national team to compete at the 1931 European Aquatics Championships in Paris. In the 100 metre backstroke event, she reached the final and finished fifth in a time of 1:28.6.