Kees Jonker
Cornelis Wilhelm "Kees" Jonker was a Dutch sailor who represented his country at the 1936 Summer Olympics – 6 Metre|1936 Summer Olympics] in Kiel. Jonker, as crew member on the Dutch 6 Metre De Ruyter, took the 8th place with helmsman Joop Carp and fellow crew members Ansco Dokkum, Ernst Moltzer, and Herman Looman. During the 1948 Summer Olympics – Dragon class|1948 Summer Olympics] in Torbay, Jonker helmed the Dragon Joy, with crew members Biem [Dudok van Heel] and Wim van Duyl, to an 8th place.