| b 1243, Of, Grassington, Yorkshire, England | ||||
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| Serlonis De Westwick | ||||
| |b 1217 | | | |||
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| Isabella De Westwick | ||||
| |Robert De Plumpton | |m 1266 | |||
| |Of, Grassington, Yorkshire, England | | | |||
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| 1 | William De Plumpton | 2 | < | Robert Plumpton | 3 | Nigel De Plumpton | 4 | Roger De Plumpton | 5 | Olive De Plumpton |