1 Robert DE ROS1,2,3 ( -bef1226) [14545]. Died bef 23 Dec 1226.3
| 1 | "Ancestors of American Presidents by Gary Bady Roberts and Julia Helen Otto, 1995". |
| 2 | "Peacock Feathers: Genealogy of Ella French Edgerly by Luella Heether and Clara Peterson, 1983". |
| 3 | "Ancestral Roots of Certain American Colonists who Came to America Before 1700 by Frederick Lewis Weis, Walter Lee Sheppard and Kaleen E. Beall, 2004". |