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 France time of his death; for six years Henry's queen Anne of Kiev ruled as regent. At the time of his death, he was besieging Thimert, which had been occupied by the Normans since 1058. Henry I was betrothed to Matilda, the daughter of Conrad II, Holy Roman Emperor, but she died prematurely in 1034. Henry then married Matilda of Frisia, but she died in 1044, following a Caesarean section. Casting further afield in search of a third wife, Henry married Anne of Kiev on 19 May 1051. They had four children: Henry I of France Henry I (4 May 1008