19th Century Kristufek Families Of Chicago

The start of my research into the history of the Kristufek family began with attempts to sort out the different Kristufek families in Chicago. When I started looking at existing family trees on Ancestry.com, I noticed a lot of confusion. So many families had similar names, it was easy to get it all confused. What I discovered was that there were six distinct lines in Chicago, four clearly related and two mysteries still to be determined. Here are the six family lines in Chicago: