I am looking for information on my great grandfather, Benjamin Derix. His six children, mostly from La Salle, IL, say in various documents (mainly US Census) that he was from France, Belgium or Holland. Some have said one location on one document and another location on another. I believe his first child, Frank, was born in Paris, France in 1861. His second child, my grandfather Jacob, was born in Bethlehem, PA in 1865 so Benjamin must have emigrated between 1861 and 1865. If Frank was his first child I would calculate Benjamin's birthday to be about 1840, plus or minus 10 years. I would appreciate any help because I am at the proverbial brick wall.