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
William Marshal, 1st Earl of Pembroke Each of William's sons did become earl of Pembroke and marshal of England, and each died without legitimate issue. William's vast holdings were then divided among the husbands of his five daughters. The title of "Marshal" went to the husband of the oldest daughter, Hugh Bigod, 3rd Earl of Norfolk, and later passed to the Mowbray dukes of Norfolk and then to the Howard dukes of Norfolk, becoming "Earl Marshal" along the way. The title of "Earl of Pembroke" passed to William of Valence, the husband of Joan Marshal's daughter, Joan de Munchensi; he became the first of the de