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Isabel (Percy) de Aton (abt. 1320 - bef. 1368)

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Isabel de Aton formerly Percy aka de Percy, d'Aton
Born about in Alnwick, Northumberlandmap
Ancestors ancestors
Wife of — married before [location unknown]
Descendants descendants
Died before in Alnwick, Northumberlandmap
Profile last modified | Created 21 Feb 2011
This page has been accessed 1,755 times.
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Isabel Percy is a descendant of a Magna Carta surety baron.
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Isabel de Percy is a descendant of Hugh le Bigod, John de Lacy and other Magna Carta surety barons

Note: Citations needed for "Alnwick, Northumberland" as location for birth and death.

Date Estimated based on historical events and/or calculated by ages of other family members.Note: Birth year of 1320 a guess based on both parents being born about 1300 (marriage date is likely the contract date).


Isabel (Percy) de Aton was a member of aristocracy in England.

Isabel de Percy, daughter of Henry de Percy, Knt., by Idoine, daughter of Robert de Clifford, Knt., married William de Aton, Knt., before January 1326/7.[1]

Sir William, 2nd Lord Aton,[2] had one son and three daughters.[1]

  • William de Aton, Knt., m Margaret ____[1]
  • Anastasia de Aton, m Edward de St John[1]
  • Katherine Aton (b. c.1355) m. (ante 1385) Sir Ralph de Eure, Knt. of Witten, DUR[2]
  • Elizabeth de Aton, m John de Conyers, Knt., of Sockburn, Durham[1]

Isabel died before May 25, 1368.[1]


  • Royal Ancestry by Douglas Richardson Vol. IV page 351
  1. 1.0 1.1 1.2 1.3 1.4 1.5 Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families, 5 vols., ed. Kimball G. Everingham, (Salt Lake City, Utah: the author, 2013), Volume I, pp 570-571 BROMFLETE #12 William de Aton
  2. 2.0 2.1 Douglas Richardson, Plantagenet Ancestry: A Study in Colonial and Medieval Families, Royal Ancestry series, 2nd edition, 3 vols., ed. Kimball G. Everingham, (Salt Lake City, Utah: the author, 2011), p 13, EURE #9 Katherine Aton
  • Brydges, E. (1812). Percy, Duke of Northumberland. Collins's Peerage of England Genealogical, Biographical, and Historical, (Vol. II, pp. 217-366). London: F.C. and J. Rivington, Otridge and Son. Print (see eBook at
  • Lewis, M. (n.d.) Isabel de Percy. "Our Royal, Titled, Noble, and Commoner Ancestors and Cousins" (website, compiled by Mr. Marlyn Lewis, Portland, OR; accessed September 29, 2015)
  • Weis, F.L. (1999). Ancestral Roots of Certain American Colonists, (7th ed).
  • Wikipedia: Henry de Percy, 2nd Baron Percy
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Isabel is 22 degrees from Deb Durham, 25 degrees from Lou Gehrig and 6 degrees from Henry VIII of England on our single family tree. Login to find your connection.