John Holland, 1st Duke of Exeter Kent by his wife Joan of Kent, "The Fair Maid of Kent", daughter of Edmund of Woodstock, 1st Earl of Kent, a son of King Edward I (1272–1307). The Earl of Kent was a title that was created multiple times, including once for Edmund of Woodstock and once for –Thomas– Holland. Joan later married her cousin Edward, the Black Prince, the eldest son and heir apparent of her first cousin King Edward III, by whom she had a son King Richard II, who was thus a half-brother of John Holland. Early in King Richard's reign, Holland was made a Knight
British prince a title conferred on the eldest son of the sovereign since the reign of Edward I of England. In the Kingdom of Scotland, even though an honorific principality was created by James I, the heir-apparent was only referred to as Duke of Rothesay. Some others include John, brother of Richard the Lionheart and later King John, who is sometimes called Prince John. After the accession of George I (the first monarch from the House of Hanover), it became customary for the sons of the sovereign and grandsons of the sovereign in the male line to be titled 'Prince' and styled