Pg 282 Henry De Beauchamp, Earl of Warwick, suc. his father as Earl of Warwick in 1439. On 5 Apr 1445 he was cr. Duke of Warwick54762

Vol 14 Image299of1384 Pg 282 Henry Beauchamp, duke of Warwick17290
Vol 22 Image86of1511 Pg 78 Henry Beauchamp, Duke of Warwick, succeeded his father, Richard, earl of Warwick 1439; created duke 1444

Pg 13 Not mentioned as a child of Richard Beauchamp by Isabel le Despenser17287