Sibyl de Braose

Copyright, Plagiarism, and Disclaimer

Copyright: The material on this website is protected by the copyright laws of the United States.

Plagiarism: Please give credit where credit is due and properly cite your source.

Disclaimer: Mistakes and errors are inevitable. Caveat emptor.

For more information, please see this page.
ChartsAncestors of Adele La Force (#1)
Ancestors of Adele La Force (#2)
Ancestors of Harriet Hanson Robinson (#1)
Ancestors of Harriet Hanson Robinson (#2)
Sibyl de Braose, daughter of William de Braose, 3rd Lord of Bramber and Bertha, was perhaps living as late as 5 February 1227/28, if she is the widow Sibila de Ferrariis named in a record of that date (Patent Roll, 12 Hen. III, m. 6).1

Sibyl married (1) William de Ferrers, 3rd Earl of Derby, son of Robert de Ferrers, 2nd Earl of Derby and Margaret Peverel;2,3 she married (2), as his 2nd wife, Adam de Port, son of John de Port and Maud (…).4

Family 1

William de Ferrers, 3rd Earl of Derby d. bef. 21 Oct 1190

Family 2

Adam de Port d. bef. 28 Jul 1213
This person was last edited on15 Apr 2019


  1. [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), 4:194 (Derby 3), further cited as CP.
  2. [S2054] CP, 4:193 (Derby 3).
  3. [S520] Frederick Lewis Weis, Walter Lee Sheppard Jr., William R. Beall and Kaleen E. Beall, Ancestral Roots of Certain American Colonists Who Came to America before 1700… ., 8th ed. (Baltimore: Genealogical Publishing Co., 2004), 194-6, further cited as Weis, Sheppard, Beall, and Beall, Ancestral Roots, 8th ed.
  4. [S1947] Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families, Five vols. (Salt Lake City, Utah: s.p., 2013), 4:315 (Paulet 4), further cited as Richardson, Royal Ancestry.
  5. [S1947] Richardson, Royal Ancestry, 2:560 (Ferrers 6).
  6. [S2054] CP, 12A:171 (Stafford).