| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ralph Vivian b. 1230 in Cornwall, England d. 1273 in Cornwall, England |
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| | | | | | | | | | | | Isabella Bodrigan b. 1178 in Trevidren, Cornwall, England in Trevidren, Cornwall, England |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | John Vivian b. 1256 in Boshovarne, Cornwall, England d. 1355 in Trevidren, Cornwall, England |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ralph Vyvian Sir Knight b. 1174 in Trevidren Manor, Cornwall, England d. 1213 in Trevidren Manor, Cornwall, England |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Agnes de Meschines *** b. 1174 in Tutbury, Staffordshire, England d. 02-Nov-1247 in Tutbury, Staffordshire, England |
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| | | | | | | | | | | | Sybil de Braose b. 1145 in Bramber, Sussex, England d. 05-Feb-1228 in Derby, Derbyshire, England |
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