John Grey (knight)


Sir John Grey KG, English nobleman and soldier, of Ruthin, Denbighshire, Wales, Badmondisfield, Suffolk, Great Gaddesden, Hertfordshire, etc., second but eldest surviving son and heir apparent of Sir Reginald Grey, 3rd Baron Grey de Ruthyn by his 1st wife, Margaret Roos. He was also Captain of Gournay.
He traveled with the king to France in 1415 and 1417. He fought at the Battle of Agincourt and was invested as the 151st Knight of the Garter on 5 May 1436.
He married before Trinity term 1410 Constance Holland, the daughter of John Holland, 1st Duke of Exeter, by his wife, Elizabeth of Lancaster. By her mother, Constance was a niece of King Henry IV. Constance married before 1 June 1402 Sir Thomas Mowbray, 4th Earl of Norfolk, Earl of Nottingham, Earl Marshal, Lord Mowbray, Segrave, and Gower. They had no issue. Sir Thomas Mowbray was executed 8 June 1405 due to his revolt against her uncle, King Henry IV.
Sir John Grey and Constance Holland had three children:
Constance, Countess Marshal, died 12 Nov. 1437, and was buried in a chapel at St. Katherine by the Tower, London by her brother, John Holland, Duke of Exeter. Following her death, Sir John Grey married before 1 July 1438 Margaret Mowbray, daughter of Thomas Mowbray, 1st Duke of Norfolk and widow of Sir Robert Howard. They had no issue.
Sir John Grey died 27 August 1439. His widow, Margaret, received a papal indult for a portable altar 3 August 1446. She died shortly before 18 October 1459.