Nielsen Hayden genealogy
Katherine S. B. Keats-Rohan, "Antecessor Noster: The Parentage of Countess Lucy Made Plain." Prosopon Newsletter 2, May 1995.
-
Title Katherine S. B. Keats-Rohan, "Antecessor Noster: The Parentage of Countess Lucy Made Plain." Prosopon Newsletter 2, May 1995. Source ID S1326 Linked to (1) Lucy of Bolingbroke