Hello Thomas I have been doing Duvall research for my wife who is a descendant of Jacob Duvall and Elizabeth Ricketts. Her descent is as follows: Thomas Duvall was a son of Jacob George Washington Duvall was a son of Thomas Columbus Walter Duvall was a son of George washington Duvall. Marcella Duvall is a daughter ofColumbus Walter Duvall. This family of Duvalls moved from Nelson county to Edmondson County. I would be happy to exchange information with you atking11311@AOL.COM Jim K.