<prompt> Pedzisa mutsara unotevera: Gisela Jacob née Gisela Arendt; 5 November 1918 18 February 1969 akanga ari mutambi weGermany uyo akakunda menduru nhatu pa  <response>: 1934 European Aquatics Championships uye menduru mbiri pa1936 Summer Olympics. Akakwikwidzawo kumaOlympics a1952 uye akapedza ari wechinomwe mu4 × 100 m freestyle relay. 