William "Fort"ibus De VIVONNE & Maud (Matilda) De FERRERS 
They had two daughters named Joan De and Cecilia (Cicely) De.
Family Notes
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Personal Details
William "Fort"ibus De VIVONNE
William "Fort"ibus De was born about 1225 in Of, , Albermarle, Scotland. He died on May 22nd, 1259.
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Children
Cecilia (Cicely) De VIVONNE
Cecilia (Cicely) De was born about 1253 in Of, Hatch, Somersetshire, England. She died on January 10th, 1320 in , Stoke-Under-Hamden, Somersetshire, England. She was buried in Fort In Poitore.