| Male Edmund of Langley, Plantagenet, 1st Duke of York |
| Birth | 5 Jun 1341 | Kings Langley, Hertfordshire, England |
| Death | 1 Aug 1402 | Kings Langley, Hertfordshire, England |
| Burial | ||
| Marriage | 1372 | Roquefort, Landes, Aquitaine, France |
| Other Spouse | Joan Holland, Duchess of York, Lady Companions of the Garter | F1293 | |
| Marriage | ||
| Father | Edward III of Winsor King of England, Lord of Ireland, Duke of Aquitane, Count of Ponthieu, Lord of Aquitane Plantagenet | F1204 Group Sheet | |
| Mother | Philippa DeHainault | F1204 Group Sheet | |
| Female Isabella, of Castile, Duchess of York |
| Birth | 1355 | |
| Death | 23 Dec 1392 | |
| Burial | ||
| Father | The king of Castile and León from 1350 to 1369. Peter was the last ruler of the main branch of the House of Ivrea. Peter, King of Castile and León | F744 Group Sheet | |
| Mother | Maria de Padilla, (Mistress) | F744 Group Sheet | |
| Female Constance of York |
| Birth | Abt. 1374 | |
| Death | 28 Nov 1416 | |
| Burial | ||
| Spouse | Thomas le Despenser, 2nd Baron Despenser, 1st Earl of Gloucester KG | F2273 | |
| Marriage | ||
| Male Richard of Conisburgh, Plantagenet, 3rd Earl of Cambridge |
| Birth | 3 Jul 1385 | |
| Death | 5 Aug 1415 | |
| Burial | ||
| Spouse | Anne de Mortimer | F5427 | |
| Marriage | ||