Baron of Grandison William De Grandison and Sybil Tregoz Family
m. Abt 1286Drag or scroll to see more of the chart.
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Sire Amadeus De Grandison (1229-1300)
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Banoile De La Tour (1231- )
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| Lord John De Tregoz (1222-1300)
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| Mabel Fitz Warin (1230-1297)
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Baron of Grandison William De Grandison (1264-1335)
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| Sybil Tregoz (1271-1334)
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Countess of Salisbury Katherine Degrandison (1304-1349) 
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