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Thomas (Grey) de Grey (abt. 1359 - abt. 1400)

Sir Thomas de Grey formerly Grey
Born about in Cornhill on Tweed, Northumberland, Englandmap
Ancestors ancestors
Husband of — married before 1384 in Englandmap [uncertain]
Descendants descendants
Died about [location unknown]
Profile last modified | Created 7 Jun 2011
This page has been accessed 9,044 times.



This profile is part of the Gray Name Study.
Thomas (Grey) de Grey was a member of aristocracy in England.

Thomas de Grey(1359 - 26 or 30 Nov 1400),[1][2][3] was about 10 years old when his father, Thomas "chronicler" Gray le Fitz died.[4] [1]


Thomas "chronicler Gray and Margaret de Presfen[5]


m. (1384) Joan de Mowbray (d.1410).[6][7] Issue:


  • Maud Grey
  • Thomas Grey (b. Nov 1384)[8]
  • John Grey, 1st Earl of Tankerville, 6th Lord of Powys[9][10]
  • William Grey
  • Henry Grey


  • 'served in retinue of earl of Northumberland'[11]
  • 1388: Battle of Otterburn[12]
  • 1395: Constable of Norham Castle[13]

Research Notes

While he certainly was a Knight, he was not a Baron, the title "Lord of Horton, of Heton" refers to his manor: [14]


  1. Cokayne, George Edward and H.A. Doubleday et. al eds. Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Vol. VI: Gordon to Hurstpierpoint, 2nd edition. (London, 1926). Online at, page 136: Grey of Powis, footnotes
  • Royal Ancestry by D. Richardson, Vol. III, p. 106-107
  • Archer, T.A. (1890). "Gray, Thomas (d.1369?)." Dictionary of National Biography, (Vol. 23). Wikisource. [15]
  • Lundy, D. #i158494. Web.
  • Flower, W. (1881). The Visitations of Yorkshire in the Years 1563 and 1564. (pp. 233). Google Books.
  • Gray, Sir Thomas (c.1359-1400), of Heaton in Wark, Northumb. History of Parliament.[16] (visit Space: History of Parliament).
  • Liddy, C.H. (2005). "The rise of the Grays of Heaton, c.1296 - 1415." North-east England in the Later Middle Ages. Boydell Press. [17].
  • Wikipedia: John Grey, 1st Earl of Tankerville

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Sir Thomas Grey of Heton, Berwick-upon-Tweed, Northumberland, of Chillingham, Northumberland, and of Berwick, Hertfordshire (Heton, Berwick-upon-Tweed, Northumberland, 1359 - 26 November 1400), who married circa 1381 Joan de Mowbray (Axholme, Lincolnshire, circa 1363 - after 30 November 1402), daughter of John de Mowbray, 4th Baron Mowbray and Elizabeth de Segrave, 5th Baroness Segrave, and had four sons and one daughter:

William Grey, who was Dean of York, Bishop of London in 1426 and Bishop of Lincoln in 1431 Sir Henry Grey of Ketteringham, Norfolk Matilda or Maud Grey (1382–1451), wife of Sir Robert Ogle (Ogle Castle, Ogle, Northumberland, 1379 - 12 August 1435), by whom she had one daughter John Grey, 1st Earl of Tankerville Sir Thomas Grey, ringleader of the Southampton Plot.

posted 20 Feb 2012 by Ted Williams   [thank Ted]
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Comments: 1

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Did he have a daughter named Catherine (Grey) Lascelles (born abt. 1398) who married obert Lascelles (abt. 1400)?

If so may be a duplicate profile to this one.

There is a lot of infomation posted to his profile on geni.

Thomas Grey Generation No. 5 Thomas Grey was born 1359 in Heton, Northumberland, and died 26 November 1400. Married Joan De Mowbray, born circa 1363 in Axholme, Lincolnshire, died after 30 November 1402, daughter of John de Mowbray and Elizabeth de Seagrave.

Father: Thomas III GREY , of Heton & Chillingham, Sir b: BEF 1323 in Heaton Castle, Wark-on-Tweed, Northumberland, England Mother: Margaret de PRESSENE b: ABT 1332 in Preston, Northumberland, England

Marriage (6) 1 Joan (Jane) de MOWBRAY b: ABT 1368 in Epworth, Isle of Axholme, Lincolnshire, England


John GREY , of Wark-on-Tweed, KG, Sir b: AFT 1384 in Heaton Castle, Wark-on-Tweed, Northumberland, England

Maud GREY b: ABT 1386 in Heaton Castle, Wark-on-Tweed, Northumberland, England

Thomas GREY , of Heton, Sir b: ABT 1388 in Heaton Castle, Wark-on-Tweed, Northumberland, England

Catherine de GREY b: ABT 1398 in Heaton Castle, Wark-on-Tweed, Northumberland, England


1. Title: Magna Charta Sureties 1215, Frederick Lewis Weis, additions by Walter Lee Sheppard Jr, 5th Edition, 1999 Page: 65-7

2. Title: Ancestral Roots of Certain American Colonists, 7th Edition, by Frederick Lewis Weis, additions by Walter Lee Shippard Jr., 1999 Page: 223-34

posted by Erik Granstrom

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Categories: Battle of Otterburn | Northumberland, Gray Name Study