He is married to Bertha Josephina Barba Dorren.
They got married on December 29, 1937 at Berg en Terblijt, Valkenburg aan de Geul, Limburg, Nederland, he was 24 years old.Source 2
grandparents
parents
brothers/sisters
children
Gerardus Heller | ||||||||||||||||||
1937 | ||||||||||||||||||

Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I21362.php