He is married to Anna Maria - Anna Maria Catharina Boven.
They got married on February 11, 1744 at Wesuwe, Haren (Ems), Landkreis Emsland, Lower Saxony, Germany, he was 29 years old.Source 3
Witness: Hermanno Ahlers Engelb.Henrikes
Child(ren):
Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I28756.php
34 in 1749, Norbert Tandecki & Reinhard Cloppenburg: Status Animarum 1749 Bearbeitung
Deldorf:
Joes Bern. Ahlers casettarius 34
Anna Maria Boven uxor 30
Joes Henricus filius 4
Joes Bernardus filius 2
Anna Maria filia 1/2
Albertus viduus senior 86
Anna Margaretha famula 14
https://fjmblom.home.xs4all.nl/collectie_broer_berens/collectie_broer_berens122.html
Ahlers Joannes Bernardus 17650323 Deldorhf
Ahlers Joan Bernd 17440211 Wesuwe Hermanno Ahlers Engelb.Henrikes Boven Anna Maria