Father J. Hector Geoffroy wrote a history of the descendents of Nicholas Geoffory (born 1725 France, died 1779 near montreal). I have had it translated and posted on the web at
http://www.jeffway.net/1740France.htm...click on "17-page history."
Also, on the same website, look under "paternal line" and you will find detailed geneaology for each generation also at
www.jeffway.netYou will need adobe acrobat software to read these documents.