Thomas Knyvett

Sir Thomas Knyvett (also Knevitt or Knivet or Knevet), of Buckenham, Norfolk (c. 1485 - 10 August 1512) was a young English nobleman who was a close associate of King Henry VIII shortly after that monarch came to the throne. According to Hall's Chronicle, Knyvett was a frequent participant in the jousts and pageants of the new king's glittering court and was made Henry's Master of the Horse in 1510.

Knyvett married, before 9 July 1506, Muriel Howard, the widow of John Grey, 2nd Viscount Lisle, by whom she was the mother of Elizabeth Grey, Viscountess Lisle, who was at one time betrothed to Charles Brandon, 1st Duke of Suffolk. Muriel Howard was the daughter of Thomas Howard, 2nd Duke of Norfolk, and Elizabeth Tilney, and through the Howard connection, Knyvett was related to many of the great figures of English history (his brother-in-law, for example, was Thomas Boleyn, father of Queen Anne, and grandfather of Queen Elizabeth I). By Muriel Howard Knyvett had three sons and two daughters, Edmund (1508–1551), Katherine, Ferdinand, Anne, and Henry (died c. 1546). Henry was the grandfather of Catherine Knyvett who married her third cousin Thomas Howard, 1st Earl of Suffolk and is the ancestor of the Earls of Suffolk and Berkshire. Four months after her husband's death, Muriel Howard died in childbirth between 13 and 21 December 1512. Their five orphaned children were brought up by their grandmother, Eleanor Knyvett.

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