Sir Roger de Swinnerton, Knt., 1st Lord Swynnerton
|This person was last edited on||29 Jan 2021|
- [S2054] George Edward Cokayne, The Complete Peerage: Or a History of the House of Lords and All Its Members From the Earliest Times: Revised and Much Enlarged, 13 in 14 vols. (London, England: The St. Catherine Press, 1910-1940), 12A:586 (Swynnerton), further cited as CP.
- [S1947] Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families, Five vols. (Salt Lake City, Utah: s.p., 2013), 4:551-2 (Savage 12), further cited as Richardson, Royal Ancestry.