Fergus of Galloway married to David's older sister, Edith (died 1118), a union which closely bound him to the Scottish royal house. For as long as Henry I lived, relations between him and David remained harmonious. When the former died in 1135, however, the peace between the neighbouring realms was shattered when his nephew, Stephen of Blois, Count of Boulogne and Mortain (died 1154), successfully seized the throne. Before the end of the year, the Scots surged forth and seized Carlisle and Cumberland before peace was restored. Relations broke down the following year, and the Scots again invaded in 1137, seizing Northumberland, and
Treaty of Alton Treaty of Alton The Treaty of Alton was an agreement signed in 1101 between Henry I of England and his older brother Robert, Duke of Normandy in which Robert agreed to recognize Henry as king of England in exchange for a yearly stipend and other concessions. The agreement temporarily ended a crisis in the succession of the Anglo-Norman kings. The previous year, Henry had seized the throne on the death of his brother William II, even though Robert had been William's acknowledged heir. Robert's absence in the First Crusade at the time of William's death, as well as his poor