He is married to Margaretha Alheid - Margareta - Grete Specken.
They got married on July 29, 1787 at Wesuwe, Haren (Ems), Landkreis Emsland, Lower Saxony, Germany, he was 30 years old.Source 3
Witness: Rötgero Bußen Henrico Specken
Child(ren):
Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I27326.php
Specken Joes Bernardus 18031207 Brok Wesuwer Brook
Klaes aus Hüntel Joannes Bernardus, Robben Wittwe aus Brock Anna Margaretha