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Derk BlaakMale ‎(I04473)‎
Birth 7 August 1909 -- Hoogezand, Hoogezand-Sappemeer, Groningen, Netherlands
Death 6 December 1968 (Age 59) -- Canada

Mother
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Grietje KleverengaFemale ‎(I04471)‎
Birth 22 January 1868 -- Hornhuizen, Kloosterburen, Groningen, Netherlands
Death 7 May 1931 (Age 63) -- Hoogezand, Hoogezand-Sappemeer, Groningen, Netherlands