| b 1241, Of, Plumpton, Yorkshire, England | ||||
| d 1298, | Peter De Plumpton | > | 61 16 Apr 1960, | Nigel Plumpton | Helena |
| Robert De Plumpton | b 1168 | De Warwick | ||
| | b 1187 | Juliana De Warwick | |||
| Nigel De Plumpton | d 1244 | b 1170 | ||
| |b 1216 | | | |||
| |d 1271 | Mowbray | |||
| | | b 1190 | |||
| Robert De Plumpton | ||||
| |Isabella De Westwick | |m 1266 | |||
| |Of, Grassington, Yorkshire, England | | | |||
| Avicia De Clare | ||||
| b 1217 | | | |||
| 1 | William De Plumpton | 2 | < | Robert Plumpton | 3 | Nigel De Plumpton | 4 | Roger De Plumpton | 5 | Olive De Plumpton |