My Great Grandfather was Frederick Dammann. My information is that he was a native of Hanover Germany. His wife was Maria Dorothy von Giese. They came to the USA in 1846. They settled in Milwaukee, Wisconsin. Frederick was an architect,carpenter and milwright. They moved to a homestead in Sherman township, Kossuth County, Iowa in 1866. He died in 1902. Maria died in 1871 They are buried on the farm. Their oldest daughter, My Grandmother was 2 when they came to the USA. She married Maxmillian (Max) Miller. The other Dammann children were Frederick C., Sophia who married William West of POrtland Oregon. and Mary D, who married Asa J. Story, of Redmond, Washington. My Great Grandfather was a veteran of the Civil War.