Nielsen Hayden genealogy
Mary Fitz Marmaduke
- Aft 1318-
Name Mary Fitz Marmaduke [1] Gender Female Death Aft 1318 [2] Person ID I8134 Ancestry of PNH, TNH, and others | Ancestor of DK, Ancestor of TNH, Ancestor of UKL, Ancestor of XYZ Last Modified 16 Apr 2016
Father John fitz Marmaduke, b. of Horden, Durham, England 
d. Bef 16 Aug 1311 Mother Isabel de Brus bur. Easington, Durham, England Family ID F2003 Group Sheet | Family Chart
Family Robert de Lumley, b. Abt 1272, of Lumley in Little Lumley, Durham, England d. Bef 13 Jul 1308 (Age ~ 36 years) Children + 1. Robert de Lumley, b. of Lumley in Little Lumley, Durham, England d. Bef 20 Jul 1325Family ID F5968 Group Sheet | Family Chart Last Modified 28 Nov 2014
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Notes - Also called Maud FitzJohn.
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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.
- [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.