Isabella of Angoulême Isabella of Angoulême Isabella of Angoulême (, ; c. 1186/1188 – 4 June 1246) was queen consort of England as the second wife of King John from 1200 until John's death in 1216. She was also suo jure Countess of Angoulême from 1202 until 1246. Isabella had five children by the king, including his heir, later Henry III. In 1220, Isabella married Hugh X of Lusignan, Count of La Marche, by whom she had another nine children. Some of Isabella's contemporaries, as well as later writers, claim that Isabella formed a conspiracy against King Louis IX of France in 1241,
Isabella of Castile, Duchess of York Isabella of Castile, Duchess of York Isabella of Castile, Duchess of York (1355 – 23 December 1392) was the daughter of King Peter and his mistress María de Padilla (d. 1361). She accompanied her elder sister, Constance, to England after Constance's marriage to John of Gaunt, 1st Duke of Lancaster, and married Gaunt's younger brother, Edmund of Langley, 1st Duke of York. Isabella was the youngest of the three daughters of King Peter of Castile by his favourite mistress, María de Padilla (d.1361). On 21 September 1371 Edward III's fourth son, John of Gaunt, 1st Duke of Lancaster, married Isabella's