I have book entitled "Early American Families" written by Roxie Sides that was published in 1963. I purchased it at a bookshop in Old Salem, (In Winston Salem). It has listings of John Michael Sides, John Michael Side,Jr. and their families. I don't know if it is the same line you are looking for. They came from Broadbay Maine to North Carolina in the 1700s. If I can be of help please let me know.