Beatrice de Say was born on an unknown date to William de Say (-1177) and Aufrica nic Uilliam of Scotland (-c1169) and died 1197 of unspecified causes. She married Geoffrey FitzPiers . Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Hugh Capet (c940-996)/s, Rollo of Normandy (860-932)/s.
|Offspring of Beatrice de Say and Geoffrey FitzPiers|
|Geoffrey de Mandeville (-1216)||23 February 1216||Isabel de Clare (1226-1264)|
|William de Mandeville|