He is married to Trijntje Haan.
They got married on May 16, 1918 at Grootegast (Gr), he was 25 years old.Source 3
Child(ren):
grandparents
parents
brothers/sisters
children
Siebe de Boer | |||||||||||||||||||||||||||||||||||||
1918 | |||||||||||||||||||||||||||||||||||||
Trijntje Haan | |||||||||||||||||||||||||||||||||||||
Geboorteregister 1893, Achtkarspelen
https://www.graftombe.nl/names/info/15118/boer_de
Huwelijksregister Grootegast 1918