I was reading through old posts, and found this one. I'm wondering if you gained information about the Kleins from the source mentioned. My paternal gr-gr-grandparents were named Klein, and lived in the Wolbach area. I have no information about them, other than my grandmother writing about taking the train to Wolbach when her grandparents died. That was the only way I knew to search for them in that area. I believe some of the family stayed in Clay Co, which is where my gr-grandparents lived.