Arundel Castle Arundel Castle Arundel Castle is a restored and remodelled medieval castle in Arundel, West Sussex, England. It was established by Roger de Montgomery on Christmas Day 1067. Roger became the first to hold the earldom of Arundel by the graces of William the Conqueror. The castle was damaged in the English Civil War and then restored in the 18th and 19th centuries. From the 11th century, the castle has served as a home and has been in the ownership of the family of the Duke of Norfolk for over 400 years. It is the principal seat of the Howard family,
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,