He is married to Maria Helena - Lenie Bryan.
They got married on May 1, 1951 at Emmen, Gemeente Emmen, Drenthe, Nederland, he was 28 years old.Source 4
grandparents
parents
brothers/sisters
children
Johannes Frederikus - Frits Koops | ||||||||||||||||||
1951 | ||||||||||||||||||
Maria Helena - Lenie Bryan | ||||||||||||||||||
Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I22644.php