Henry II of England daughter of Henry I, King of England and Duke of Normandy. She was born into a powerful ruling class of Normans, who traditionally owned extensive estates in both England and Normandy, and her first husband had been the Holy Roman Emperor Henry V. After her father's death in 1135, Matilda hoped to claim the English throne, but instead her cousin Stephen of Blois was crowned king and recognised as the Duke of Normandy, resulting in civil war between their rival supporters. Geoffrey took advantage of the confusion to attack the Duchy of Normandy but played no direct role in the
Henry I of England now had the best claim to the throne. William of Breteuil championed the rights of Robert, who was still abroad, returning from the Crusade, and to whom Henry and the barons had given homage in previous years. Henry argued that, unlike Robert, he had been born to a reigning king and queen, thereby giving him a claim under the right of porphyrogeniture. Tempers flared, but Henry, supported by Henry de Beaumont and Robert of Meulan, held sway and persuaded the barons to follow him. He occupied Winchester Castle and seized the royal treasury. Henry was hastily crowned king in Westminster