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Thomas Grey (1384-1415)

Sir Thomas Grey
Portchester castle 04.jpg
Portchester Castle, where the Southampton plot was revealed to King Henry V
Spouse(s) Alice Neville
Issue
Sir Thomas Grey
Sir Ralph Grey
Sir John Grey
William Grey
daughter whose first name is unknown
Joan Grey
Elizabeth Grey
Margaret Grey
Father Sir Thomas Grey
Mother Joan Mowbray
Born (1384-11-30)30 November 1384
Alnwick Castle, Northumberland
Died 2 August 1415(1415-08-02) (aged 30)
Southampton

Sir Thomas Grey (30 November 1384 – 2 August 1415), of Castle Heaton near Norham,Northumberland, was one of the three conspirators in the Southampton Plot against King Henry V in 1415.

Sir Thomas Grey, born 30 November 1384 in 'le Midyllgathouse’ at Alnwick Castle, seat of the Percys, Earls of Northumberland, came from a family long prominent among the nobility in the border region of Northumberland.

He was the eldest son and heir of Sir Thomas Grey (1359 - 26 November 1400) of Heton near Norham, Northumberland, by his wife, Joan Mowbray (d.1410), sister of Thomas de Mowbray, 1st Duke of Norfolk, and daughter of John de Mowbray, 4th Baron Mowbray (d. 17 June 1368), and Elizabeth de Segrave, daughter and heiress of John de Segrave, 4th Baron Segrave. Through his mother, a granddaughter of Margaret, Duchess of Norfolk (d.1399), Sir Thomas Grey was a descendant of King Edward I. His paternal grandparents were the soldier and chronicler Sir Thomas Grey of Heton, and Margaret, daughter and heiress of William de Pressene of Presson.

He had three brothers and a sister:

Grey's father, Sir Thomas Grey (1359-1400), and Sir Thomas Erpingham, were among those chosen allies of Henry Bolingbroke to witness the abdication of King Richard II in Westminster Hall on 29 September 1399.

Grey was only 16 years of age when he succeeded his father in 1400, and was shown great favour in the early years of the reign of Henry IV, including the grant of the wardship of his own inheritance while he was under age. By August 1404 he had been retained for life by Ralph Neville, 1st Earl of Westmorland, but by May 1408 was in the service of Henry, Prince of Wales.


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