William de Percy Sr. & Ada De Baliol 
William de and Ada De were married in a religious ceremony in June 1266 in <Lamberton,Mordington,Berwick,Scotland>.1 They had a son and a daughter, named William de and Margaret.
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Personal Details
William de Percy Sr.
William de was born on June 24th, 1250 in <Lamberton,Mordington,Berwick,Scotland>.1 He died at the age of 33 on November 6th, 1283.2
1 {Larson: Genealogical Research of Kirk Larson}
2 "Genealogical Research of Kirk Larson"
3 {Ancestral File™ v4.19 (FamilySearch®)}
2 "Genealogical Research of Kirk Larson"
3 {Ancestral File™ v4.19 (FamilySearch®)}
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