| | Roger Grenville 1477–1524 | | |
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| | Thomas Grenville 1426–1483 Elizabeth Gorges 1400–1470 | | |
| | Phillipa Bonnville 1405–… | | |
| | Peter Courtenay 1536–1606 Katherine Reskimer 1546–… | | |
| | Margaret Trethurfe 1505–1576 | | |
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| | Margaret Bonnville 1450–1487 William Courtenay 1450–1485 | | |
| | | | | | Elizabeth FitzRoger 1370–1414 | | | | Margaret de Aubermarle 1345–… | | | | Nicholas Bonnville 1293–… Johanna Champernowne 1299–… | | | | Nicholas Bonnville 1260–1295 Hawise (or Matilda) Pyne 1270–1295 | | |
| | | Henry Champernowne Sir …–… | | |
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