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 Angoulême after being publicly snubbed by his mother, Blanche of Castile, for whom she had a deep-seated hatred. In 1244, after the plot had failed, Isabella was accused of attempting to poison the king. To avoid arrest, she sought refuge in Fontevraud Abbey, where she died two years later, but none of this can be confirmed. Isabella was the only daughter and heir of Aymer Taillefer, Count of Angoulême, by Alice of Courtenay, who was sister of Peter II of Courtenay, Latin Emperor of Constantinople and granddaughter of King Louis VI of France. Isabella became Countess of Angoulême in her own