<prompt> Gisela Jacob née Gisela Arendt; 5 November 1918 18 February 1969 wayengumbhukudi waseJalimane owawina izindondo ezintathu ku-1934 European Aquatics Championships  <response>: nezindondo ezimbili kuma-Olympic Asehlobo ka-1936. Wabuye wancintisana kuma-Olympics ka-1952 futhi waqeda endaweni yesikhombisa emjahweni we-4 × 100 m freestyle. 