He is married to Adriana Maria van der Zwaan.
They got married on April 23, 1925 at Ter Aar, Nieuwkoop, Zuid-Holland , he was 37 years old.Source 1
Ouders
Pieter van der Zwaan 1844-1910
Alida van. Heteren 1848-1929
hun kinderen:
Martina Maria Oostdam
Wilhelmus Hendricus Oostdam
Cornelia Maria Oostdam
Adrianus Oostdam | ||||||||||||||||||
1925 | ||||||||||||||||||
Adriana Maria van der Zwaan |