(1) He is married to Maartje Bakkers.
They got married on April 20, 1921 at Rotterdam , he was 26 years old.Source 1
The couple were divorced from October 20, 1930 at Rotterdam .Source 1
(2) He is married to Kunigunde Elisabeth Neumuller.
They got married on January 7, 1931 at Rotterdam , he was 36 years old.Source 1
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