Isabella, Countess of Brienne
| Isabella, Countess of Brienne | |
|---|---|
| Born | 1306 | 
| Died | 1360 (aged 53–54) | 
| Noble family | House of Brienne | 
| Spouse(s) | Walter III of Enghien | 
| Issue | Gauthier/Walter Isabeau Issue: Sohier of Enghien Grandchild via elder line: Mary of Enghien Issue via younger line: Marguerite Louis of Enghien Jacques Guy of Enghien Engelbert Françoise Jeanne | 
| Father | Walter V of Brienne | 
| Mother | Jeanne de Châtillon | 
Isabella of Brienne (1306–1360) was suo jure Countess of Lecce and Conversano, claimant to the Duchy of Athens and Kingdom of Jerusalem, etc.