William Seigneur de VERNON 
William Seigneur de was born about 1025 in Vernon, Eure, Normandy, France. William Seigneur de's father was Hugh de VERNON and his mother was Miss de CENTERVILLE. He was an only child. He died before 1089.
They had a son named Richard Seigneur de.
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Children
Richard Seigneur de REVIERS
Richard Seigneur de was born about 1060 in reviers, Vernon & Nehou, Normandy, France. He died on September 8th, 1107 in Mostereton, Beaminster, Dorsetshire, England.