Sources |
- [S3215] Medieval Welsh Ancestors of Certain Americans by Carl Boyer III. Santa Clarita, California, 2004.
- [S1177] Memoirs Illustrative of the History and Antiquities of Northumberland, Vol. II: Feudal and Military Antiquities by the Archaeological Institute of Great Britain and Ireland. London: Bell & Daldy, 1858.
- [S128] The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant ed. Vicary Gibbs, H. A. Doubleday, Duncan Warrand, Howard de Walden, Geoffrey H. White and R. S. Lea. 2nd edition. 14 volumes (1-13, but volume 12 spanned two books), London, The St. Catherine Press, 1910-1959. Volume 14, "Addenda & Corrigenda," ed. Peter W. Hammond, Gloucestershire, Sutton Publishing, 1998.
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