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,
Duke of Norfolk Edward I), Margaret, and then to her grandson, Thomas Mowbray. When Richard II made Thomas Mowbray the Duke of Norfolk in 1397, he conferred upon him the estates and titles (including Earl Marshal) that had belonged to the Earls of Norfolk. His elderly grandmother Margaret was still alive, and so at the same time she was created Duchess of Norfolk for life. Mowbray died in exile in 1399, some months after his grandmother, and his dukedom was repealed. His widow took the title of "Countess of Norfolk". Between 1401 and 1476, the Mowbray family held the title and estates of