Dear Sir:I am not sure if my information is what your looking for however. My grandfather was George M. Koller of Ellsworth Wisc. His father was Martin Koller, which I was named after. My father,Leroy Koller born 1919 was born in Ellsworth, Wisc. Grandfather George was born in Wells, Miinesota. My father indicated our ancestry came from the Ohio Valley. I have a relative in southern Cal. who has a extensive tree of the Kollers. I can contact them if you'd be interested in contacting them.