Duke of Norfolk investiture, who were also Knights of the Order of the Garter across all creations of the title. <section end=FamilyTree /> Duke of Norfolk The Duke of Norfolk is the premier duke in the peerage of England, and also, as Earl of Arundel, the premier earl. The Duke of Norfolk is, moreover, the Earl Marshal and Hereditary Marshal of England. The seat of the Duke of Norfolk is Arundel Castle in Sussex, although the title refers to the county of Norfolk. The current duke is Edward Fitzalan-Howard, 18th Duke of Norfolk. The dukes have historically been Catholic, a state of affairs
Thomas de Mowbray, 1st Duke of Norfolk Thomas de Mowbray, 1st Duke of Norfolk Thomas de Mowbray, 1st Duke of Norfolk, 1st Earl of Nottingham, 3rd Earl of Norfolk, 6th Baron Mowbray, 7th Baron Segrave, , (22 March 1366 – 22 September 1399) was an English peer. As a result of his involvement in the power struggles which led up to the fall of Richard II, he was banished and died in exile in Venice. Mowbray was the second son of John de Mowbray, 4th Baron Mowbray, and Elizabeth de Segrave, "suo jure" Lady Segrave, daughter and heiress of John de Segrave, 4th Baron Segrave, by Margaret,