Henry I of England and Matilda were in Anjou supporting the rebels in their campaign against the royal army, which included a number of Matilda's supporters such as Robert of Gloucester. Many of these barons had taken an oath to stay in Normandy until the late king was properly buried, which prevented them from returning to England. The Norman nobility discussed declaring Theobald of Blois king. Theobald's younger brother, Stephen of Blois, quickly crossed from Boulogne to England, however, accompanied by his military household. With the help of his brother, Henry of Blois, he seized power in England and was crowned king on 22
Conquest of Wales by Edward I of England Conquest of Wales by Edward I of England The conquest of Wales by Edward I, sometimes referred to as the Edwardian Conquest of Wales, took place between 1277 and 1283. It resulted in the defeat and annexation of the Principality of Wales, and the other last remaining independent Welsh principalities, by Edward I, King of England. By the 13th century Wales was divided between native Welsh principalities and the territories of the Anglo-Norman Marcher lords. The leading principality was Gwynedd whose princes had gained control of the greater part of the country, making the other remaining Welsh princes their vassals,