Here are the ancestors Hillebrecht and Marienhagen going back from about 1900, starting with Gerd Hillebrecht's Parents Walter Hillebrecht married to Else born Hische and Georg Marienhagen married to Marie born Schinkel.
They lived in places like Grone, Esebeck, Elliehausen, Barterode, Güntersen, Ellierode, Lütgenrode, Mengershausen, Gladebeck, Parensen, Eilensen, Markoldendorf, Hohnstedt, Groß-Ellershausen, Behrensen, Bühren, Dassensen, Einbeck, Einem, Erbsen, Espol, Gillersheim, Goettingen, Hemeln, Hetjershausen, Hettensen, Holtensen, Jühnde, Lauenberg, Lütgenhausen, Lüthorst, Negenborn, Weende, Wibbecke, Zorge. All are situated the South of Lower Saxony, still independent or today incorporated into the the cities and communities of Goettingen, Adelebsen, Hardegsen, Dassel (Solling), Nörten-Hardenberg, Northeim, Einbeck, Katlenburg-Lindau, Hann-Münden, Rhumspringe or Rosdorf.
Here you can help us reading old church records. Sometimes they can lead you astray. The link leads you to an example. Here is another question: Who knows Hans Heinrich Beinhorn, the dragoon?
If you want to get a gedcom
file with our ancestors Hillebrecht this is the place to ask for it.