schatting op 5 jaar nauwkeurig op basis van geboorte oudste kind; vrouwen gemiddeld 25 jaar, mannen gemiddeld 30 EN/OF geboortedatum partner; mannen gemiddeld 5 jaar ouder dan vrouwen EN/OF trouwdatum
When copying data from this family tree, please include a reference to the origin: Pauline Berens BC, "Local Heritage Book Barger-Compascuum", database, Genealogy Online (https://www.genealogieonline.nl/ofb-barger-compascuum/I24655.php : accessed January 22, 2026), "Hermann Ostermann (1770-????)".
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