The following RICHARDSONs included on this site belong to a DNA tested line
Richardson
Adam Brown     (1835 - 1929)
James     (say 1770 - aft. 1812)
James     (cir. 1775 - 1841)
Robert     (cir. 1694 - aft. 1736)
Robert     (cir. 1747 - aft. 1791)
Walter     (cir. 1720 - aft. 1778)
William     (cir. 1670 - bet. 1714 - 1726)
William     (cir. 1795 - 1878)
William     (1825 - 1884)