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;
Stephen, King of England Robert of Gloucester rebelled against the King, starting the descent into civil war in England. An illegitimate son of Henry I and the half-brother of the Empress Matilda, Robert was one of the most powerful Anglo-Norman barons, controlling estates in Normandy as well as the Earldom of Gloucester. He was known for his qualities as a statesman, his military experience, and leadership ability. Robert had tried to convince Theobald to take the throne in 1135; he did not attend Stephen's first court in 1136 and it took several summons to convince him to attend court at Oxford later that year.