William (Sir) de SAY 
He had a biological son named William (Lord) de.
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Personal Details
William (Sir) de SAY
William (Sir) de was born about 1067 in Sawbridgeworth, Hertfordshire, England.
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Children
William (Lord) de SAYE
William (Lord) de was born about 1100 in Burwell, Lincolnshire, England. He died in 1144 in Killed attacking Burwell castle, Cambridgeshire, England.