Robert Cecil Bonsor (1880-1932) (1880–1932) Parents Emily Gertrude Fellowes Cosmo Bonsor Children Ann Elizabeth Bonsor Michael Cosmo Bonsor Siblings Sir Reginald Bonsor, 2nd Bt. Malcolm Cosmo Bonsor Mary Emily Bonsor Arthur Charles Bonsor Edith Bonsor Ethel Bonsor Muriel Mary Bonsor Partners Eugenia Constance Frances Pattinson Lawrence