World of HYDE
Discovering our Ancestors and their descendants to all parts of the world. Last updated 15th March 2026.
Family: William De Saye, VI / Mary Elizabeth Plantagenet (F63631)
m. 1277
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 | Sibyl Marshal (1213-1270) |
| Agnes De Say (1250-1296)  |
 | King Henry Plantagenet, III Of England (1207-1272)
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| Eleanor De Provence (1223-1291)
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| King Edward I. Plantagenet, Of England (1239-1307) |
| Béatrice Plantagenet, Of England (1242-1275) |
| Mary Elizabeth Plantagenet (1255-1295)
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| William De Saye, VI (1235-1295)
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| Aliva De Saye (1255-1336) |