My source has it as Kauffman. This would seem to be reasonable as many Kauffman's married into the Blough family. However, Gingerich and Kreider did not find enough to prove exactly who she was, but they do not question the name as Kauffman. She was believed to be the 4th child of John Kauffman and ??. John was the son of Isaac Kauffman and Anna Streit. Isaac was born 1-11-1685, Homberg, Berne, Switzerland the son of Isaac and Elizabeth(nee Mergerdt), who was the son of Michaeland Anna (nee Brendli)Kauffman son of Nicholas and Elsa (nee Blank)Kauffman son of Jacob and Anna (nee Buercki) Kauffman. Hope that's not too confusing, and that it helps. BTW, Anna is estimated to have been born 1747 by Gingerich & Kreider. If that is the line you are looking for I have several pages out of Gingerich and Kreiders book dealing with the German ancestors of the American Kauffmans. I could copy them and send them if you wish.