He is married to Maria Elisabeth Hasken.
They got married on April 24, 1787 at Wesuwe, Haren (Ems), Landkreis Emsland, Lower Saxony, Germany, he was 27 years old.Source 2
Witness: Haaschen aus Versen Bernhardo Büppen
Child(ren):
Joan Käving | ||||||||||||||||||||||||||||||||||
1787 | ||||||||||||||||||||||||||||||||||
Maria Elisabeth Hasken | ||||||||||||||||||||||||||||||||||

Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I29837.php
Käving aus Emsbühren Joannes, Haaschen Maria Elisabeth