Family: Baron Reynold de Grey / Maud de Longchamp (F3235)
m. Abt 1257John de Grey (1205-1266) 
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Emma de Cauz (1208- )
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| Henry de Longchamp (1210- ) |
| Joan Unknown (1213- ) |
| Baron Reynold de Grey (1235-1308)
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| Maud de Longchamp (1239- )
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Baron John de Grey (1258-1323)  |