The Grey family, originally from Northumberland, are a consistent feature of English history from the Southampton plot of 1415 to Monmouth’s rebellion nearly three centuries later.
Sir Thom
as Grey (1384-1415) of Castle Heaton was a soldier and one of the three principals in the Southampton plot against Henry V, revealed to him by Edmund Mortimer, 5th Earl of March, at Portchester Castle. His connection to the House of York was that a marriage had been arranged between his son and Isabel, the (very) young daughter of Richard of Conisbrough, Earl of Cambridge. The betrothal was cancelled as one of the consequences of the plot’s failure. It may have been related to Grey’s purchase of the Yorkist lordship of Tyndale. (The sale of which demonstrates how relatively hard-up the second Duke of York was at this time.)
Sir Joh
n Grey of Groby (1432-61) was the son of Edward Grey, Baron Ferrers of Groby and a grandson of the third Baron Grey of Ruthin . Married to Elizabeth Wydeville, by whom he had two sons, he fought for Henry VI at the Second Battle of St. Albans and was killed there.
Lady Jane Grey (1537-54) was the daughter of Henry Grey, who had become Duke of Suffolk on his marriage to Frances Brandon, Henry being Sir John’s
great-grandson. Edward VI had named Jane as his heir and her father, together with John Dudley, Duke of Northumberland and Archbishop Cranmer sought to implement this on Edward’s 1553 death, contrary to Henry VIII’s succession legislation. She married Northumberland’s son Lord Guildford Dudley and planned to create him Duke of Clarence but their coup was thwarted and the principals imprisoned. Wyatt rose in early 1554, apparently in favour of the Grey-Dudley faction, so Jane, her husband, father and father-in-law were beheaded close to the St. Albans anniversary. This “Streatham portrait” is possibly a retrospective of Jane, having been painted years after her death. She was also the great-niece of Viscount Grane, formerly Deputy of Ireland, who was beheaded in July 1541.
Ford Grey, Earl of Tankerville (1655-1701) was also Viscount Glendale and Baron Gr
ey of Werke. As a veteran of the Rye House Plot, he escaped from the Tower and joined the Duke of Monmouth in exile before joining the Duke’s rebellion two years later. At Sedgemoor, he led the rebel cavalry but was captured, whereupon he gave evidence against his co-commanders and his attainder was reversed in 1686. Within another nine years, he was appointed to William III’s Privy Council and served in several other offices.
This genealogy connects Sir Thomas to Henry Grey Duke of Suffolk, Lady Jane Grey’s father, through his Mowbray brother-in-law. This shows Tankerville’s male line descent from Sir Thomas’ grandfather.
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