He is married to Jantje van Kammen.
They got married on January 5, 1918 at Dantumadeel, Friesland, Nederland, he was 20 years old.Source 3
Child(ren):
grandparents
parents
brothers/sisters
children
Gerrit Postma | |||||||||||||||||||||||||||||||||||||
1918 | |||||||||||||||||||||||||||||||||||||
Jantje van Kammen | |||||||||||||||||||||||||||||||||||||
Geboorteregister 1897, Dantumadeel
https://www.graftombe.nl/names/info/197452/postma
Huwelijksregister 1918, Dantumadeel