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.
Norman conquest of England with the introduction of feudalism, castles or other changes in society, then the conquest, while important, did not represent radical reform. But the change was dramatic if measured by the elimination of the English nobility or the loss of Old English as a literary language. Nationalistic arguments have been made on both sides of the debate, with the Normans cast as either the persecutors of the English or the rescuers of the country from a decadent Anglo-Saxon nobility. Norman conquest of England The Norman Conquest of England (in Britain, often called the Norman Conquest or the Conquest) was the 11th-century