I am Angie Kay Duvall, I was born in 1980. My Grandfather is Frederick Dale Duvall, He married an Elizabeth Kuhn I believe. My grandfathers great grand father was William Henry Duvall.... I was wondering if you could help me through the process of finding out the Duvall families crest? My fathers name is James Jonathon Duvall, he has 8 brothers and 2 sisters. pleasee-mail me at firstname.lastname@example.org if you can help me.