Stephen, King of England 1125. They had children: King Stephen's illegitimate children by his mistress Damette included: Stephen, King of England Stephen ( – 25 October 1154), often referred to as Stephen of Blois, was King of England from 1135 to his death, as well as Count of Boulogne from 1125 until 1147 and Duke of Normandy from 1135 until 1144. Stephen's reign was marked by the Anarchy, a civil war with his cousin and rival, the Empress Matilda. He was succeeded by Matilda's son, Henry II, the first of the Angevin kings. Stephen was born in the County of Blois in central France;
Henry the Young King Henry the Young King Henry the Young King (28 February 1155 – 11 June 1183), was the eldest surviving son of Henry II of England and Eleanor of Aquitaine. Beginning in 1170, he was titular King of England, Duke of Normandy, Count of Anjou and Maine. Henry the Young King was the only King of England since the Norman Conquest to be crowned during his father's reign, but spent his reign frustrated by his father's refusal to grant him meaningful autonomous power. He died aged 28, six years before his father, leaving his brother Richard to become the next king.