He is married to Anna Maria Tekla - Tekla Sanders.
They got married on May 22, 1903 at Vlagtwedde, Westerwolde, Gorningen, Nederland, he was 31 years old.Source 3
grandparents
parents
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Jan Bosma | ||||||||||||||||||
1903 | ||||||||||||||||||
Anna Maria Tekla - Tekla Sanders | ||||||||||||||||||

Vertrokken personen dienstbodenregister Emmen 1918-1932 Jan Bosma85 in 1957, Noordwolde gem. Weststellingwerf, Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I25336.php
Overlijdensregister 1957, archiefnummer 2110, inventarisnummer 1843, aktenummer 143
Gemeente: Winschoten
Periode: 1957
diversen: weduwe van Hermann Gösling