William De Percy & Joan De Briwere 
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Personal Details
William De Percy
William was born in 1193 in Alwick, Northumberland, England.1 He died at the age of 52 on July 28th, 1245 in Alwick, Northumberland, England.1
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Children
Anastasia de Percy
Anastasia was born in 1220 in Topcliffe, Yorkshire, England.6 She died in England.6
1 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=michaelrneuman&id=I055611&style=TABLE
2 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=PED&db=madchia&id=I722&style=TABLE
3 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=jdp-fam&id=I4587
4 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=jdp-fam&id=I4599
5 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=jdp-fam&id=I79034
6 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=:1899347&id=I93162579&style=TABLE
2 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=PED&db=madchia&id=I722&style=TABLE
3 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=jdp-fam&id=I4587
4 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=jdp-fam&id=I4599
5 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=jdp-fam&id=I79034
6 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=:1899347&id=I93162579&style=TABLE