The duke of Aquitaine was the ruler of the medieval region of Aquitaine under the supremacy of Frankish, English, and later French kings.
Homage of Edward I of England (kneeling) to Philip IV of France (seated), by Jean Fouquet. As Duke of Aquitaine, Edward was a vassal to the French king
Richard I of England in the Brief Abridgement of the Chronicles of England
Henry V, also called Henry of Monmouth, was King of England, Lord of Ireland, and Duke of Aquitaine from 1413 until his death in 1422. His victory at Agincourt in 1415 and his conquest of Normandy gav
Duke of Aquitaine
…Arundel Castle 27 July 1380 6 children (2) Joanna of Navarre Winchester Cathedral 7 February 1403 No children 20 March 1413 Westminster Abbey Aged 45 Henry IV of Aquitaine Henry of Monmouth c. 1400 – 31 August 1422 (22 years) until 1406 1406–1413 from 1413 16 September 1386 Monmouth Castle Son of Henry IV and Mary de Bohun…
Henry as Prince of Wales in the Regiment of Princes, c.1413 (MS Arundel 38)
Miniature of Henry's father, Henry IV, in the records of the Duchy of Lancaster, c.1402
Henry as Prince of Wales tries on his father's crown in a scene from Shakespeare's Henry IV, Part 2, engraving after Josiah Boydell, 1795
The Battle of Agincourt as depicted in Thomas Walsingham's St Albans Chronicle, c.1422