| John de Mowbray Born: 4 SEP 1286 Norfolk, England Died: 23 MAR 1320/1321 York, East Riding, Yorkshire, England (hanged) | |||||
| Mary Platt Born: 23 SEP 1808 Died: | |||||
| Alivia de Braose Born: ABT 1280 Gower, Glamorganshire, Wales Died: BEF 20 JUL 1331 Gower, Llangennith, Glamorgan, Wales | |||||