He is married to Anna Gertrud Kemper.
They got married on January 28, 1749 at Wesuwe, Haren (Ems), Landkreis Emsland, Lower Saxony, Germany, he was 29 years old.Source 3
Witness: Tobia Osterman Menzone Kemper
Child(ren):
Joan - Joannes Ostermann | |||||||||||||||||||||||||||||||||||
1749 | |||||||||||||||||||||||||||||||||||
Anna Gertrud Kemper |
Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I13300.php
Oesterman Joannes 17940501 Düneburg
Helmut Deters: Wesuwe church records transcription
Osterman Joan, Kemper Anna Gertrud
Norbert Tandecki & Reinhard Cloppenburg: Status Animarum 1749 Bearbeitung
28 Jan copulati Joes Ostermann et Anna Gertrudis Kemper