I realize this was posted many years ago. I am interested in descendants of William W. Winkelmann (1868-1934) and Henrietta Pieper (1857-1946).
atDNA testing on one of Henrietta's great grand nephews, descendant of her sister Karoline Wilhelmine "Mina" Pieper Lippelmann. Both sisters are buried in Zion Cemetery, St. Charles Rock Rd, St. Louis, Missouri.
Joyce Hodges