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.
The History of the Norman Conquest of England its influence has nevertheless been profound, many Anglo-Norman historians of modern times having come around to some of Freeman's main conclusions. Freeman first wrote about the Conquest while he was still a student at Oxford, where his 1846 essay "The Effects of the Conquest of England by the Normans" was submitted for, but failed to win, a prize. In 1859 and 1865 he published lengthy reviews of the last two volumes of Sir Francis Palgrave's "History of Normandy and of England". Exploring his points of agreement and disagreement with Palgrave Freeman decided to embark on his own history of the