Seeking information on descendants of Julius Derge (father: Ferdinand Derge, mother: Augusta Greve) and Anna Kneer (father:Mathias Kneer, mother:Barbara Betz). Married April 16, 1879 in Eau Claire County, WI. Julius born July 1, 1853 in Germany (death date and place unknown). Anna born Sept 22, 1860 in Eau Claire County (death date and place unknown). Julius and Anna children believed to be sons Julius, Mathias and Frank.