William de Say was born circa 1106 in England to Geoffrey de Say (-c1112) and died August 1144 in Battle of Barnwell Castle of unspecified causes. He married Beatrice de Mandeville (-1197) . Notable ancestors include Charlemagne (747-814). Ancestors are from France, Germany, Belgium.
|Offspring of William de Say and Beatrice de Mandeville (-1197)|
|William de Say (-1177)||1133 England||1177 England|| Aufrica nic Uilliam of Scotland (-c1169)|
|Offspring of Geoffrey de Say and unknown parent|
|William de Say (-1144)||1106 England||August 1144 Battle of Barnwell Castle|| Beatrice de Mandeville (-1197)|
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