Claim: Empress Matilda was the daughter of Henry I.

Geoffrey V -LRB- 24 August 1113 -- 7 September 1151 -RRB- -- called the Handsome or the Fair -LRB- le Bel -RRB- and Plantagenet -- was the Count of Anjou , Touraine , and Maine by inheritance from 1129 and then Duke of Normandy by conquest from 1144 . By his marriage to the Empress Matilda , daughter and heiress of Henry I of England , Geoffrey had a son , Henry Curtmantle , who succeeded to the English throne as King Henry II -LRB- 1154-1189 -RRB- and was the first of the Plantagenet dynasty to rule England ; the name `` Plantagenet '' was taken from Geoffrey 's epithet . His ancestral domain of Anjou gave rise to the name Angevin for three kings of England -LRB- Henry II his son and heir , and Henry 's sons Richard and John -RRB- , and what became known as the Angevin Empire in the 12th century .