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
Henry I of Navarre of Artois. He was thus in the "Angevin" circle in international politics. Recognized as heir presumptive during his brother's reign, Henry succeeded to the thrones of the Kingdom of Navarre and County of Champagne upon Theobald II's death in December 1270. Henry I's proclamation at Pamplona, however, did not take place till the following year, 1 March 1271, and his coronation was delayed until May 1273. His first act was the swear to uphold the Fueros of Navarre and then go to perform homage to Philip III of France for Champagne. Henry came to the throne at the height of