He is married to Anna Helena Suhlmann.
They got married on January 11, 1917 at Emmen, Gemeente Emmen, Drenthe, Nederland, he was 25 years old.Source 3
Child(ren):
grandparents
parents
brothers/sisters
children
Johan Gradus Hend(e)rikus Exel | |||||||||||||||||||||||||||||||||||||||
1917 | |||||||||||||||||||||||||||||||||||||||
Anna Helena Suhlmann | |||||||||||||||||||||||||||||||||||||||

Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I23865.php