Isabella of Scotland, Countess of Norfolk ladies were sometimes allowed to ride out under the strictest guard. Upon Isabella's release, she was required to marry English noble Roger Bigod, 4th Earl of Norfolk. All of the sisters married English nobility whilst Alexander was required to marry Princess Joan, daughter of King John. Roger was roughly fourteen years Isabella's junior. Henry III of England granted her property when she married Roger in May 1225. Roger became a ward of his new brother-in-law King Alexander; he held the position until 1228. Isabella was second-in-line to the Scottish throne (after her sister Margaret) until 1227 when Margaret's daughter and
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