Earl Marshal of the College of Arms, the body concerned with all matters of genealogy and heraldry. In conjunction with the Lord High Constable, he had held a court, known as the Court of Chivalry, for the administration of justice in accordance with the law of arms, which was concerned with many subjects relating to military matters, such as ransom, booty and soldiers' wages, and including the misuse of armorial bearings. In 1672, the office of Marshal of England and the title of Earl Marshal of England were made hereditary in the Howard family. In a declaration made on 16 June 1673
Walter Marshal, 5th Earl of Pembroke want any of his subjects killing one another in sport. Walter who had attended the tournament which had killed Gilbert shared in his brother's guilt, so had to wait a year before he was invested with the earldom and hereditary post of Earl Marshal. That same year he accompanied King Henry to Gascony. On 6 January 1242 Walter married the wealthy widow Margaret de Quincy, Countess of Lincoln. Margaret did not bear Walter any children, and when he died suddenly at Goodrich Castle on 24 November 1245, the earldom passed to his younger brother, Anselm Marshal, 6th Earl of Pembroke,