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, son of Edward I Henry, son of Edward I Henry of England (6 May 1268 – 14 October 1274 in Merton, Surrey) was the fifth child and second son of Edward I of England by his first wife, Eleanor of Castile. Henry was born in Windsor Castle during the reign of his paternal grandfather, Henry III of England. On 3 August 1271, Henry's older brother John died in the custody of their paternal granduncle Richard, 1st Earl of Cornwall. His death left Henry the eldest surviving child of Edward and second-in-line to the throne of England. Henry III died on 16 November 1272. Edward