I have copies of data from a published genealogy on the Wine family, published right before WWII. On page 30 is data concerning Captain William H. Duvall and his family. His children: William H. Duvall,Jr., Robert Selden Duvall and John Hart Duvall. William Hamilton Duvall was born 12 October 1903 in Lorton, Virginia. He died Feb. 1984. Going to look up his obituary in the Washington Post.