Robert FITZWALTER & Sybil de CAISNETO 
They had a son named William de.
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Personal Details
Robert FITZWALTER
Robert was born about 1107 in Horsehouse, Coverham, North riding Yorkshire, England. He died after 1136.
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Children
William de CAISNETO
William de was born about 1131 in Blyth Nook, Earsdon, Northumberland, England. He died in 1174.