<prompt> Jans Koster tǝwoduwu saa 1938 shima bǝla kǝrmabe lardǝ Netherlandsbe kǝla kǝla kǝlanzǝbe kǝla kǝnindimiwo. Shidǝ medal konnube suro 1958 European Aquatics Championships lan gowono  <response>: 400 m kuru kakkadi Europebe indi kuru kakkadi dunyabe indi suro 1500 m lan saa 1956-1957 lan. Yim kəntawu Marchbe kawunzə 9 saa 1960 belan Ben Hulseggea cuwudo. 