Duke Warwick
Duke Warwick is in Dukedoms of England Alphabetically, Dukedoms of England Chronologically, Extinct Dukedoms of England.
Chronicle of Gregory 1445. 1445. And that same yere was the Erle of Warwyke (age 19) made Duke of Warwyke.
On 14 Apr 1445 Henry Beauchamp 1st Duke Warwick (age 20) was created 1st Duke Warwick by his third cousin King Henry VI of England and II of France (age 23). Cecily Neville Duchess Warwick (age 21) by marriage Duchess Warwick.
On 11 Jun 1446 Henry Beauchamp 1st Duke Warwick (age 21) died at Hanley Castle, Worcestershire. Duke Warwick extinct. His daughter Anne Beauchamp 15th Countess Warwick (age 3) succeeded 15th Countess Warwick, 7th Baroness Burghesh.