| Name | Birth date | Relationship with Robert Lewis |
|---|
| Aitchison, Alexander | January 2, 1854 | Granduncle of the wife |
| Aitchison, Charles | February 12, 1866 | Granduncle of the wife |
| Aitchison, Helen | November 20, 1843 | Grandaunt of the wife |
| Aitchison, James | 1816 | Great-grandfather of the wife |
| Aitchison, James | August 8, 1850 | Granduncle of the wife |
| Aitchison, John | | 2nd great-grandfather of the wife |
| Aitchison, John | February 5, 1846 | Granduncle of the wife |
| Aitchison, Margaret | December 20, 1837 | Grandmother of the wife |
| Aitchison, Mary | October 5, 1841 | Grandaunt of the wife |
| Aitchison, Sarah | January 2, 1840 | Grandaunt of the wife |
| Aitchison, Thomas | | Granduncle of the wife |
| Aitchison, William | June 20, 1848 | Granduncle of the wife |
| Anderson, Isabella | | Grandmother |
| Archibald, George | September 13, 1916 | Son-in-law |
| Archibald, Johan Baptie | October 1, 1941 | Granddaughter |
| Baker, John | 1965 | Grandnephew of the wife |
| Baker, Mitchell John Sabin | May 28, 1993 | Great-grandnephew of the wife |
| Baker, Paul | April 25, 1966 | Grandnephew of the wife |
| Baker, Shaye- Marie | January 5, 1990 | Great-grandniece of the wife |
| Balfour, Jacqueline Anne | March 2, 1977 | Great-granddaughter |
| Balfour, John Alfred Stuart | December 10, 1982 | Great-grandson |
| Balfour, John Lewis | January 27, 1952 | Grandson |
| Balfour, John Muir Eagleston | January 10, 1924 | Son-in-law |
| Balfour, Susan | November 9, 1979 | Great-granddaughter |
| Baptie, Benjimen Charles | March 9, 1988 | Great-grandnephew of the wife |
| Baptie, Charles | May 18, 1834 | Granduncle of the wife |
| Baptie, Charles | February 12, 1866 | Father-in-law |
| Baptie, Charles | September 8, 1928 | Nephew of the wife |
| Baptie, Colin James | June 22, 1976 | Grandnephew of the wife |
| Baptie, Diane Carol | December 12, 1958 | Grandniece of the wife |
| Baptie, Elizabeth | 1882 | Half aunt of the wife |
| Baptie, Elizabeth | 1894 | Sister-in-law |
| Baptie, Helen Murray Will | March 4, 1931 | Niece of the wife |
| Baptie, Henry | 1878 | Half uncle of the wife |
| Baptie, Iain Stuart | June 4, 1971 | Grandnephew of the wife |
| Baptie, Jack Will | July 29, 1995 | Great-grandnephew of the wife |
| Baptie, James | April 10, 1842 | Granduncle of the wife |
| Baptie, James | 1862 | Uncle of the wife |
| Baptie, James | 1886 | Half uncle of the wife |
| Baptie, Johan | December 1, 1890 | Wife |
| Baptie, Johan Lewis | January 30, 1940 | Niece of the wife |
| Baptie, John | 1865 | Uncle of the wife |
| Baptie, Karlyn | April 17, 1980 | Great-grandniece of the wife |
| Baptie, Kelly Marie | August 22, 1983 | Great-grandniece of the wife |
| Baptie, Kerry | November 30, 1982 | Great-grandniece of the wife |
| Baptie, Kyle | April 9, 2000 | Great-grandnephew of the wife |
| Baptie, Margaret | June 21, 1835 | Grandaunt of the wife |
| Baptie, Margaret | 1899 | Sister-in-law |
| Baptie, Mary | August 1871 | Aunt of the wife |
| Baptie, Mary | 1878 | Half aunt of the wife |