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
History of the English line of succession to the French succession. On the day of Henry IV's death, 20 March 1413, the line of succession to the English throne following agnatic primogeniture was: Upon his death, the throne passed smoothly to the first person in line, who became Henry V. On the day of Henry V's death, 31 August 1422, the line of succession following agnatic primogeniture was: Upon his death, the throne passed smoothly to the first person in line, who became Henry VI. On the day of Henry VI's first deposition, 4 March 1461, the line of succession following agnatic primogeniture was; However, during the