(1) He is married to Maria Gesina Hölscher.
They got married on June 9, 1942 at Emmen, Gemeente Emmen, Drenthe, Nederland , he was 31 years old.Source 4
(2) He had a relationship with Maria Helena Peters.
Johan Herman - Johan Herman Heinrich Gerdes | ||||||||||||||||||
(1) 1942 | ||||||||||||||||||
Maria Gesina Hölscher | ||||||||||||||||||
(2) | ||||||||||||||||||
Maria Helena Peters |
Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I21082.php