Isabella of Angoulême son and heir, named Henry III after the King's father, Henry II. He was quickly followed by another son, Richard, and three daughters, Joan, Isabella, and Eleanor. All five children survived into adulthood and made illustrious marriages; all but Joan produced offspring of their own. When King John died in October 1216, Isabella's first act was to arrange the speedy coronation of her nine-year-old son at the city of Gloucester on 28 October. As the royal crown had recently been lost in The Wash, along with the rest of King John's treasure, she supplied her own golden circlet to be
Isabella of Castile, Duchess of York elder sister, Constance (d. 1394), who after the death of their father in 1369 claimed the throne of Castile. Isabella accompanied her sister to England, and on 11 July 1372, at about the age of 17, married John of Gaunt's younger brother, Edmund of Langley, 1st Duke of York, fifth son of King Edward III and Philippa of Hainault, at Wallingford, Oxfordshire, as part of a dynastic alliance in furtherance of the Plantagenet claim to the crown of Castile. According to Pugh, Isabella and Edmund of Langley were 'an ill-matched pair'. As a result of her indiscretions, including an affair