<u>Katherine STAFFORD
</u>
1Cokayne, George Edward, <i>The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct, or Dormant</i> (London: St. Catherine Press, 1910.), 11:706, Los Angeles Public Library, 929.721 C682.
2Richardson, Douglas, <i>Plantagenet Ancestry: A Study in Colonial and Medieval Families</i> (Baltimore: Genealogical Publishing Company, 2004.), p. 674, Family History Library, 942 D5rd.
3Saillot, Jacques, <i>Cahiers de Saint-Louis</i> (Angers: Jacques Saillot, 1976.), p. 887, Family History Library, 944 D22ds.
4Burke, John Bernard, <i>Burke's Genealogical and Heraldic History of the Peerage, Baronetage and Knightage, Privy Council, & Order of Precedence</i> (London: Shaw Publishing Co., 1938.), p. 2237, Family History Library, 942 D22bup 1938.