He is married to Pietje Oenes de Boer.
They got married on June 9, 1876 at Opsterland (Fr), he was 27 years old.Source 4
Child(ren):
grandparents
parents
brothers/sisters
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Jan Melles Koopmans | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
1876 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Pietje Oenes de Boer | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Geboorteregister 1848, Opsterland
Overlijdensregister 1932, Kollumerland c.a.
https://www.graftombe.nl/names/info/276745/koopmans
Huwelijksregister 1876, Opsterland