Anne of York, Duchess of Exeter Anne of York, Duchess of Exeter Anne of York, Duchess of Exeter aka Anne Plantagenet (10 August 1439 – 14 January 1476) was the first child of Richard Plantagenet, 3rd Duke of York, and Cecily Neville. She was thus the eldest sister of kings Edward IV (1461–1483) and Richard III (1483–1485); and of Edmund, Earl of Rutland, Elizabeth of York, Duchess of Suffolk, Margaret, Duchess of Burgundy and of George Plantagenet, 1st Duke of Clarence. Anne married twice and divorced her first husband: In 1447 aged eight years old, Anne was married to Henry Holland, 3rd Duke of Exeter (1430–1475).
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