_Charles BRUCE ___________+
                                                         | (1826 - 1896) m 1887     
                                 _William Cabell BRUCE __|
                                | (1860 - 1946)          |
                                |                        |_Sarah Alexander SEDDON __
                                |                          (1829 - 1908) m 1887     
 _David Kirkpatrick Este BRUCE _|
| (1898 - 1977) m 1926          |
|                               |                         __________________________
|                               |                        |                          
|                               |_Louise Este FISHER ____|
|                                 (1866 - 1945)          |
|                                                        |__________________________
|                                                                                   
|
|--Audrey Sheila BRUCE 
|  (1934 - 1967)
|                                                         _Thomas Alexander MELLON _
|                                                        | (1813 - 1908)            
|                                _Andrew William MELLON _|
|                               | (1855 - 1937) m 1900   |
|                               |                        |_Sarah Jane NEGLEY _______
|                               |                          (1817 - 1909)            
|_Ailsa MELLON _________________|
  (1901 - 1969) m 1926          |
                                |                         __________________________
                                |                        |                          
                                |_Nora MCMULLEN _________|
                                   m 1900                |
                                                         |__________________________