Blanche
| Father | Henry, Duke of Lancaster |
| Mother | Isabel |
| Birth* | Blanche was born on 25 March 1345. |
| She was the daughter of Henry, Duke of Lancaster and Isabel. | |
| Marriage* | Blanche married John of Gaunt, son of Edward III and Phillipa of Hainault, on 13 May 1359 at Queen's Chapel, Reading, England. |
| Death* | Blanche died on 12 September 1369 at Castle, Bolingbroke, Linconshire, England, at age 24. |
| Burial* | She was buried at St Paul's Cathedral. |
Family | John of Gaunt |
| Child |