DUVALL, or any reasonable spelling variation is welcome to join the project. Males and females with Duvall ancestors may join, although only males who have YDNA tested will show on the Project Results chart. If you are female, you can have a male DUVALL relative submit a sample for your line. Also please note that, to participate meaningfully, you will need to share your ancestry by populating your family tree back to your earliest known DUVALL in the myFamilyTree section of your account.