Back إيزابيلا من قشتالة (دوقة يورك) Arabic ايزابيل من كاستييا دوقة يورك ARZ Kastilyalı İzabella (York hersoqinası) Azerbaijani Isabel de Castella, duquessa de York Catalan Isabela Kastilská (1355–1392) Czech Isabella von Kastilien, Duchess of York German Ισαβέλλα της Καστίλης, δούκισσα της Υόρκης Greek Isabel de Castilla, duquesa de York Spanish Elisabet Gaztelakoa (Yorkeko dukesa) Basque Isabelle de Castille (1355-1392) French
| Isabella of Castile | |
|---|---|
| Duchess of York | |
 Isabella depicted in a 15th century family tree of Edward IV | |
| Born | 1355 |
| Died | 23 December 1392 (aged 36–37) |
| Burial | 13 January 1393 |
| Spouse | Edmund, 1st Duke of York |
| Issue | Edward, 2nd Duke of York Constance of York Richard, 3rd Earl of Cambridge |
| House | Castilian House of Ivrea |
| Father | Peter of Castile |
| Mother | María de Padilla |
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.