Ancestry of Robert Roy and Related Families

- Those who faught with William I at the Battle of Hastings

(no surname): Aimery IV Viscount of Thouars (circa 1024 - 1093)

Eustace II aux Gernons ~ Comte de Boulogne et Lens (circa 1020 - 1093)

Geoffrey II , Count of Perche and Montagne

Guy I ~ Comte de Ponthieu et Montreuil ( - 1101)

Robert de Beaumont (Sir) , Earl of Leicester (circa 1049 - 1118)

Robert de Burgo , Count of Mortain, Earl of Cornwall (1031 - 1095)

Roger de Beaumont (Sir) , Siegneur of Beaumont (circa 1022 - 1094)

William I the Conqueror , King of England (1027 - 1087)