 Cornelis Wilhelm Kees Jonker 29 March 1909 muAmsterdam 2 February 1987 muSteinach am Brenner aiva mufambisi wengarava kubva kuNetherlands, uyo akamiririra nyika yake pa 1936 Summer OlympicsmuKiel. Jonker, senhengo yechikwata cheDutch 6 Metre De Ruyter, akatora nzvimbo yechisere nemutungamiriri Joop Carp uye vamwe vashandi vechikwata Ansco Dokkum, Ernst Moltzer, naHerman Looman. Munguva ye1948 Summer Olympics muTorbay, Jonker akatungamira Dragon Joy, nenhengo dzevashandi Biem Dudok van Heel naWim van Duyl, kunzvimbo yechisere. 