The dukedom and the Earldom of Kendal became extinct. Strathearn is a subsidiary Earldom in the Dukedom of Cambridge. On his death the dukedom and barony separated. He is the heir apparent to the Dukedom of Norfolk. He is the heir apparent to the Dukedom of Rutland. He is the heir apparent to the Dukedom of Montrose. There is no heir to the Dukedom of Westminster. There is currently no heir to the dukedom. Edward was created Duke of Cornwall, the first English dukedom, in 1337. Some dignities, such as the Dukedom of Norfolk, have been forfeit and restored several times. Arundel had petitioned the king for restoration of the ancestral Dukedom of Norfolk. Cornwall was the first dukedom conferred within the Kingdom of England. Otto III's successor in the joint dukedom was his son Henry XV. His titles were forfeited along with the dukedom. Upon Bismarck's death in 1898 his dukedom, held only for his own lifetime, became extinct.