What nationality are both Grosvenor and Hugh d'Avranches, Earl of Chester?
Hugh d'Avranches, Earl of Chester Hugh d'Avranches (  1047  – 27 July 1101), also known as Hugh the Fat (French: "Hugues le Gros" ) or Hugh the Wolf (Latin: "Hugo Lupus" ), was the second Norman earl of Chester (2nd creation) and one of the great magnates of early Norman England.
Alexander G.B. Grosvenor Alexander Graham Bell Grosvenor (December 7, 1927 – April 7, 1978) was a United States Navy pilot, carrier officer, and avid yachtsman credited with promoting the resurgence of sailing at the United States Naval Academy. He was a great-grandson of the inventor, Alexander Graham Bell, and brother of Gilbert M. Grosvenor, former Chairman of the National Geographic Society.