Nielsen Hayden genealogy
Isabel de Brus

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Name Isabel de Brus [1] Gender Female Burial Easington, Durham, England [2, 3]
Person ID I9082 Ancestry of PNH, TNH, and others Last Modified 26 Mar 2016
Father Robert de Brus, b. Abt 1220, of Annandale, Dumfriesshire, Scotland d. 31 Mar 1295, Lochmaben Castle, Dumfriesshire, Scotland
(Age ~ 75 years)
Mother Isabel de Clare, b. 2 Nov 1226 d. Aft 10 Jul 1264 (Age > 38 years) Marriage May 1240 [1, 2, 4] Family ID F630 Group Sheet | Family Chart
Family John fitz Marmaduke, b. of Horden, Durham, England d. Bef 16 Aug 1311
Children + 1. Mary Fitz Marmaduke d. Aft 1318 Family ID F2003 Group Sheet | Family Chart Last Modified 18 Jan 2025
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Sources - [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.
- [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.
- [S53] The Magna Charta Sureties, 1215: The Barons Named in the Magna Charta, 1215, and Some of Their Descendants Who Settled in America During the Early Colonial Years by Frederick Lewis Weis. Fifth edition, with additions and corrections by Walter Lee Sheppard, Jr. and William R. Beal. Baltimore: Genealogical Publishing Company, 1999.
- [S76] The Oxford Dictionary of National Biography. Oxford University Press, 2004-ongoing.
- [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.