Isabella of Castile, Duchess of York [SEP] mother
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. 
Life.
Isabella was the youngest of the three daughters of King Peter of Castile by his favourite mistress
.
- Eleanor, Duchess of Gloucester (hist) is the wife of Humphrey, Duke of Gloucester in "Henry VI, Part 2", in which she dabbles in witchcraft with disastrous results.
- Duchess of York:
- The Duchess of York (1) (unnamed) character in "Richard II", a composite of Isabella of Castile, Duchess of York, died 1392, the mother of Aumerle, and Joan Holland, who bore no children
- The Duchess of York (2)