I have a Gesche Dierks in my husband's ancestry. But she was born in 1706 in Oldenburg and married a Jergen Doelling. Oddly, though, their son Markus Doelling married a Ida Peters who was born 1748 in Bloem'sche Wildnis in Schleswig-Holstein. Gesche Dierks' father was Juergen Dierks born 1652 in Gruppenburhen/Kreis Oldenburg who married a Gretje Alers in 1686. Juergen's father was Diedrich (Dirk) Dierks born 1626 who married a Alerke ?. Perhaps your Oldenburg Dierks tie into this Dierk family. Let me know.