Dreux/Drogo, Count of Vexin and Amiens; married Godgifu (married 2nd Eustace II, Count of Boulogne), sister of Edward the Confessor King of England and daughter of Ethelred II The Redeless by his 2nd wife Emma (daughter of Richard I, Duke of Normandy), and died on a pilgrimage to the Holy Land 1035. [Burke's Peerage]