People Klaas Koelstra peoplepill id: klaas-koelstraKK 2 views today 2 views this weekKlaas KoelstraBiographyAlso ViewedThe basicsQuick FactsGenderMaleBirth3 March 1914 People who share this birthdayPlace of birthBalkDeath14 July 1944 People who died on this dayAge30 yearsListsKlaas Koelstra is in following lists comments so far.CommentsKlaas Koelstra