| Nigel de Plumpton (~1216 - 1271) |
Serlo (Serlonis) de Westwick (~1217 - ) |
| Avice (Avicia) de Clare (~1221 - ) |
| Sir Robert de Plumpton | Lady Isabella de Westwick Of Gersington |
| b. abt 1241, Of Plumpton, Yorkshire, England d. 1297/1298 bur. occ. cen. im. . ud. |
b. abt 1243, Of Grassington, Yorkshire, England d. bur. occ. cen. im. . ud. |
| Robert de Plumpton William de Plumpton Nigel de Plumpton Roger de Plumpton Olive de Plumpton |