Abt 1223 - Bef 1277 (~ 53 years)
 | Avice Marmion 1309-Aft 1378 |
| Avice Marmion | |
| B: | 1309 |
| West Tanfield, Yorkshire, England | |
| D: | Aft 20 Mar 1378 |
| Witney, Oxfordshire, England | |
| 2nd Baron Grey de Rotherfield John de Grey | |
| B: | 09 Oct 1300 |
| Rotherfield Grey, Oxfordshire, England | |
| D: | 01 Sep 1359 |
| Rotherfield Grey, Oxfordshire, England | |
| 4th Baron Marmion of Winteringham John Marmion Abt 1292-1335 |
| 4th Baron Marmion of Winteringham John Marmion | |
| B: | Abt 1292 |
| England | |
| D: | 30 Apr 1335 |
| England | |
| Maud de Furnival Abt 1280-Aft 1347 |
| Maud de Furnival | |
| B: | Abt 1280 |
| England | |
| D: | Aft 1347 |
| England | |
| 3rd Baron Marmion of Winteringham Sir John Marmion Abt 1249-Bef 1322 |
| 3rd Baron Marmion of Winteringham Sir John Marmion | |
| B: | Abt 1249 |
| West Tanfield, Yorkshire, England | |
| D: | Bef 07 May 1322 |
| Wetherington, Lincolnshire, England | |
| Isabel Peck Abt 1264-1337 |
| Isabel Peck | |
| B: | Abt 1264 |
| England | |
| D: | 1337 |
| England | |
|
| William Marmion Abt 1223-Bef 1277 |
| William Marmion | |
| B: | Abt 1223 |
| Wetherington, Lincolnshire, England | |
| D: | Bef 1277 |
| Horncastle, Lincolnshire, England | |
| Loretta Fitzroy Abt 1232-Abt 1275 |
| Loretta Fitzroy | |
| B: | Abt 1232 |
| Kent, England | |
| D: | Abt 1275 |
| Glanford Brigg, Lincolnshire, England | |
