Sandys, Joan Sibilla Brocas
| Birth Name | Sandys, Joan Sibilla Brocas |
| Gender | female |
| Age at Death | 50 years, 9 days |
| Birth date | 1401 (Vyne Manor, Sherborne St John, Hampshire, England) |
| Death date | 10 January 1451 (Beaurepaire Manor, Sherborne St John, Hampshire, England) |