I am looking for any descendents of Heinrich H Ewert and Anna Sperling Ewert b.Dec 17, 1869 to find out more information on Anna's parents --Heinrich Sperling b. about 1844 and Susanna Voth Sperling. They are listed on 1880 Federal Mountain Lake, MN census-- Heinrich Sperling, Susannah Sperling, wife, and Helena Sperling, dau, Anna Sperling, dau, Heinrich Sperling, son, Peter Sperling, son, Eliza Sperling, dau.