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

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Sir Thomas de Grey formerly Grey
Born about in Heton, Northumberland, Englandmap
Ancestors ancestors
Husband of — married (to ) in Heton, Northumberland, Englandmap
Descendants descendants
Died about in Wark, Bellingham, Northumberland, Englandmap
Profile last modified | Created 7 Jun 2011
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Categories: Battle of Otterburn.

British Aristocracy
Thomas (Grey) de Grey was a member of aristocracy in the British Isles.
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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]



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]


  • 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]

  • Flower, W. (1881). The Visitations of Yorkshire in the Years 1563 and 1564. (pp. 233). Google Books.
  • 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].

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Memories: 1

On 20 Feb 2012 Ted Williams wrote:

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.

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No known carriers of Thomas's Y-chromosome or his mother's mitochondrial DNA have taken yDNA or mtDNA tests.

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Thomas is 27 degrees from Sharon Caldwell, 19 degrees from Burl Ives and 16 degrees from Victoria of the United Kingdom of Great Britain and Ireland on our single family tree. Login to find your connection.

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