Family: Sir Sir William de Grandison / Sybil de Tregoze (fam03315)
m. Abt 1285Drag or scroll to see more of the chart.
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 | Pierre Sire De Grandison, I (1200-1263)
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 | Agnes De Neuchatel (1220- )
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| Alice De Grandison (1240-1308)  |
| Otis Grandison (1252- ) |
| Agnes Grandison (1264- ) |
| Lord Tregoze Lord Tregoze John de Tregoze (1232-1300)
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| Mabel Fitzwarin (1248-1297)
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| Clarice de Tregoz (1264- ) |
| Sir Sir William de Grandison (1255-1335)
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| Sybil de Tregoze (1272-1334)
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| Piers de Grandison (1286- ) |
| Otho Grandison (1286- ) |
| Agnes de Grandison (1287-1348) |
| John Grandison (1292- ) |
| Mabel de Grandison (1294- ) |
| Catherine de Grandison (1304-1349) |