I have been looking for my grandfather Charles J Dammann family in Wisconsin and Minnesota. Charles J Dammann was born 1873 in Iowa, my father Leroy C Dammann was born 1902 in Iowa. The only information I have on my grandfather is he had a sister Lena Dammann that married a Henning and lived in Watertown Wi.
The Dammann family had a hardware store in Wisconsin. Would appreciate any info. Sorry for the loss of your grandmother.