Aft 1200 - Abt 1240 (< 38 years)
| Maud de Furnival | |
| B: | Abt 1280 |
| England | |
| D: | Aft 1347 |
| England | |
| 4th Baron Marmion of Winteringham John Marmion | |
| B: | Abt 1292 |
| England | |
| D: | 30 Apr 1335 |
| England | |
| Sir Thomas de Furnival | |
| B: | Aft 1251 |
| Nottinghamshire, England | |
| D: | Bef 18 Apr 1332 |
| Sheffield, Yorkshire, England | |
| Joan Despenser | |
| B: | Abt 1264 |
| Loughborough, Leicestershire, England | |
| M: | Bef Jan 1273 |
| England | |
| D: | Bef 08 Jun 1322 |
| Worksop, Nottinghamshire, England | |
| Thomas de Furnival | |
| B: | 1229 |
| Worksop, Nottinghamshire, England | |
| D: | 12 May 1291 |
| Sheffield Castle, Yorkshire, England | |
| Sir Thomas Furnival | |
| B: | Aft 1200 |
| Sheffield, Yorkshire, England | |
| D: | Abt 1240 |
| Damietta, Egypt | |
| Bertha Ferrers | |
| B: | Abt 1204 |
| Ferrers, Derbyshire, England | |
| M: | Abt 1219 |
| England | |
| D: | Aft 10 Feb 1266 |
| England | |
