Nielsen Hayden genealogy
Family: John de Grey / Alice de Lisle (F17967)
m. Bef 20 Oct 1330-
Male
John de Grey
Birth Abt 1307 of Codnor, Derbyshire, England 
Death 14 Dec 1392 Burial Carmelite Friars, Aylesford, Kent, England Marriage Bef 20 Oct 1330 [1] Father Richard de Grey | F10299 Group Sheet Mother Joan Fitz Payn | F10299 Group Sheet
Female
Alice de Lisle
Birth Death Aft 1344 Burial Father Warin de Lisle | F10880 Group Sheet Mother Alice le Tyeys | F10880 Group Sheet
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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.
- [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.