Nyora kupfuurira kweiyi ndima - Jans Koster (akazvarwa muna 1938) mutambi wechiDutch akasiya basa. Akakunda menduru yegoridhe pa1958 European Aquatics Championships
(400 m) ndokuisa zvinyorwa zviviri zveEurope uye zviviri zvenyika mu1500 m muna 1956<unk>1957. Pana 9 March 1960 akaroora Ben Hulsegge.