He is married to Maria Anna Bentlage.
They got married on September 14, 1865 at Onstwedde, Stadskanaal, Groningen, Nederland, he was 20 years old.Source 4
Child(ren):
grandparents
parents
brothers/sisters
children
Jan Harm - Johan Herman - Hermann Heller | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
1865 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Maria Anna Bentlage | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||

Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I10982.php
36 in 1881
29-8 Harm Heller 62j wedn.
A-14