John, King of England Normandy and Anjou until 1259, but John's continental losses and the consequent growth of Capetian power in the 13th century proved to mark a "turning point in European history". John's first wife, Isabel, Countess of Gloucester, was released from imprisonment in 1214; she remarried twice, and died in 1217. John's second wife, Isabella of Angoulême, left England for Angoulême soon after the king's death; she became a powerful regional leader, but largely abandoned the children she had had by John. John had five legitimate children, all by Isabella. His eldest son, Henry III, ruled as King of England for the
Isabella, Countess of Lennox Albany, who was the second son of King Robert II by his first wife Elizabeth Mure of Rowallan, and who was to a certain extent the "de facto" ruler of Scotland, at points during the reigns of his father and elder brother. In 1392, Duncan agreed to marry Isabella to Robert's son, Murdoch Stewart. Murdoch and Isabella did marry, and had at least five children: Disaster struck Isabella's family when her husband, father, and sons Walter and Alasdair were tried for treason after her other son, James the Fat, raised a rebellion against the king, marched on Dumbarton, burned it,