William De+ Percy & Joan De+ Briwere 
They have a daughter named Anastasia De+.
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Personal Details
William De+ Percy
William De+ was born about 1164 in Topcliffe, Yorkshire, England, per one source.. He died on July 28th, 1245 in Craven, Yorkshire, England. He was buried in Sallay Abbey, Yorkshire, England.
Joan De+ Briwere
Joan De+ was born about 1180 in Stoke, Devonshire, England. She died before June 12th, 1233 in Hospital, Sandown, Surrey, England.
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Children
Anastasia De+ Percy
Anastasia De+ was born about 1211 in Topcliffe, Yorkshire, England, alternate POB given.