He is married to Jeltje Tuik.
They got married on December 20, 1879 at Ooststellingwerf, Friesland, Nederland, he was 42 years old.Source 2
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Jan Posthuma | |||||||||||||||||||||||||||||||||||
1879 | |||||||||||||||||||||||||||||||||||
Jeltje Tuik | |||||||||||||||||||||||||||||||||||
42 in 1879, Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I49906.php