He is married to Maria Helena Suelmann.
They got married on May 16, 1918 at Emmen, Gemeente Emmen, Drenthe, Nederland, he was 24 years old.Source 4
Child(ren):
grandparents
parents
brothers/sisters
children
Jan Hendrik Wehkamp | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
1918 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Maria Helena Suelmann | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||

Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I21516.php
67 in 1961
Jan Hendrik Wehkamp bidprentje
gezinskaart Wehkamp-Suelmann scan 699106 p19187 1918-1936