FemaleMary De Grey |
| Birth | Abt 1331 | Of, Ruthin, Denbighshire, Wales |
| Death | Abt 1360 | |
| Burial | ||
| Other Spouse | William De La Roche | F10175 | |
| Marriage | Abt 1337 | Of, Ruthin, Denbighshire, Wales |
| Other Spouse | John De Burgh, [Sir Knight] | F10176 | |
| Marriage | Abt 1354 | Of, Ruthin, Denbighshire, England |
| Father | Roger De Grey, [Baron Grey] | F9540 Group Sheet | |
| Mother | Elizabeth Hastings | F9540 Group Sheet | |