A book by John Appleby discusses events during the reign of this monarch, whose son was married to Constance of Toulouse. This man's elder brother, the Count of Champagne, declined to fight him upon his father's death but he did face resistance from Robert, the Earl of Gloucester. Named the Count of Mortain early in life, he was captured by William de Cahaignes at the Battle of Lincoln, and subsequently imprisoned at Bristol. Despite gaining the 
A book by John Appleby discusses events during the reign of this monarch, whose son was married to Constance of Toulouse. This man's elder brother, the Count of Champagne, declined to fight him upon his father's death but he did face resistance from Robert, the Earl of Gloucester. Named the Count of Mortain early in life, he was captured by William de Cahaignes at the Battle of Lincoln, and subsequently imprisoned at Bristol. Despite gaining the blessing of Pope Innocent II, he struggled to defeat a rival aided by Brien FitzCount. He agreed to the Treaty of Wallingford with that rival after the death of his son Eustace. For ten points, name this monarch who ruled England during the Anarchy, as the only member of his royal house, prior to the reign of Henry II.
A book by John Appleby discusses events during the reign of this monarch, whose son was married to Constance of Toulouse.
Stephen I or Stephen of Blois