He is married to Catharina - Maria Catharina - Troef-Triene - Triena Kollmer.
They got married on November 19, 1903 at Emmen, Gemeente Emmen, Drenthe, Nederland , he was 26 years old.Source 3
Child(ren):
Johan Herman - Troef-Harm Gerdes | |||||||||||||||||||||||||||||||||||
1903 | |||||||||||||||||||||||||||||||||||
Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I21080.php