He is married to Susanna Maria - Sanne Maria Wilmes.
They got married on April 24, 1792 at Wesuwe, Haren (Ems), Landkreis Emsland, Lower Saxony, Germany, he was 20 years old.Source 3
Witness: Bernardus Kaetman Henricus Schulte
Child(ren):
Joan Bernd Kathmann | |||||||||||||||||||||||||||||||||||
1792 | |||||||||||||||||||||||||||||||||||
Susanna Maria - Sanne Maria Wilmes | |||||||||||||||||||||||||||||||||||

Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I6757.php
aus Därpen bei Diepholz
Katman (Kaetmann) aus Därpen bei Diepholz, Wilmes aus Krüßel