| Father | Edmund "Crounchback", 1st Earl of Lancester (b. 16 January 1244, d. 5 June 1296) |
| Mother | Blanche d'Artois, Princess of France |
| Daughter | Eleanor Plantagenet, Countess Arundel+ (b. between 1311 and 1322, d. 11 January 1372) |
| Birth | 1281 | Henry, 3rd Earl of Lancaster, was born in 1281 in Lancaster, England. |
| Marriage | before 2 March 1296 | He and Maud Chaworth were married before 2 March 1296. |
| Death | 22 September 1345 | He died on 22 September 1345 at age ~64. |
| Last Edited | 29 March 2015 |