Pedzisa mutsara unotevera: Greetje Kraan (dzimwe nguva anonyorwa zvisiri izvo saGeertje) aimbova mutambi wekushambira wokuNetherlands. Sechikamu chechikwata chenyika, akakunda
1958 European Aquatics Championships mu 4 × 100 m freestyle relay uye yakaputsa zvinyorwa zviviri zvenyika mu 4 × 100 m medley relay (1956 uye 1957). Muna 1957, akaisawo rekodhi yeEurope mumamita zana akasununguka (25 m dziva).