He is married to Anna Catharina Viertag.
They got married on November 16, 1880 at Wesuwe, Haren (Ems), Landkreis Emsland, Lower Saxony, Germany, he was 25 years old.Source 2
Witness: Theodor Bröring Schuhm.Dörpen Mar.Ges.Fierdag Magd Altenberg
Johann Bernard Grümmel | ||||||||||
1880 | ||||||||||
Anna Catharina Viertag |
Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I36421.php
Grummel zu Heede Johann Bernard, Fierdag Dienstmagd Osteresch Anna Catharina