Heinrich and Maria Mahnke Buchenberg came to America from Ottigen, Germany, which is near Vissehouede, with their four children: Henry, Frederick, Dietrick, and Mary. They settled in Freedom Township. They are buried in Flatrock Township.
Their oldest son, Henry, had two daughters, Mary Mahlman and Anna Bartels. Frederick had four children: Clara Fast, Alma Waldhousen, Ida Oberhaus, and Olga Rothenberger. Dietrick had four children: Ella Imbrock, Elizabeth Oberhaus, Ida Oberhaus and Louis Buchenberg.