1Sauk County, Wisconsin Courthouse, Sauk County Courthouse Recorder.
2Sauk County, Wisconsin Courthouse. "Joseph Bendictus Koberstein marriage of 2 Jan 1882 at Greenfield, Sauk, WI, Father Johann, Mother Katharine Schneider to Maria Elizabeth Karch, Father Johann Karch, Mother Anna Maria Karch."
1Sauk County, Wisconsin Courthouse, Sauk County Courthouse Recorder.