Sir Reginald Robert Bruce Guinness (1842-1909) (1842–1909) Parents Katherine Frances Jenkinson Richard Samuel Guinness Children Jane Agnes Maud Guinness Siblings Claude Hume Campbell Guinness Geraldine Henrietta Guinness Charles Wolfran Nugent Guinness Arthur Cecil Cope Jenkinson Guinness Mildred Guinness Edith Frances Sheridan Guinness Adelaide Maria Guinness Partners Thomasina Anne Bloomfield Studdert