| Joan of Lancaster | |
|---|---|
| Baroness de Mowbray | |
| Born | c. 1312 Norfolk, England |
| Died | 7 July 1349 (aged c. 36-37) Yorkshire, England |
| Spouse | John de Mowbray, 3rd Baron Mowbray (m. 1326/27; her death 1349) |
| Issue | John de Mowbray, 4th Baron Mowbray |
| House | Lancaster |
| Father | Henry, 3rd Earl of Lancaster |
| Mother | Maud Chaworth |
| English Royalty |
| First House of Lancaster |
|---|
 |
| Henry, 3rd Earl |
Joan of Lancaster (c. 1312 – 7 July 1349) sometimes called Joan Plantagenet after her dynasty's name, was the third daughter of Henry, 3rd Earl of Lancaster and Maud Chaworth.