See also

• William ROBERTSON's parents: John Banks ROBERTSON (1862-1919) and Cora Virginia OUTTEN (1866-1924)
• William ROBERTSON's siblings: Evelyn Outten ROBERTSON (1886-1939), Minnie Hurlbut ROBERTSON (1887-1964), Frank Dickerson ROBERTSON (1889-1957), Flora O'Neill ROBERTSON (1892- ), Arthur B. ROBERTSON (1895- ), Herbert Etheridge ROBERTSON (1897- ) and Robert Henry ROBERTSON (1900- )