See also

• William CAMPBELL's parents: Peter CAMPBELL (c. 1870-1947) and Ada REYGATE (1870-1950)
• William CAMPBELL's siblings: Anne Ethel Reygate CAMPBELL (1892- ), Lily CAMPBELL (1894-1971), Edith CAMPBELL (1896- ), James Leonard CAMPBELL (1898- ), Peter CAMPBELL (1900- ), Ada CAMPBELL (1900- ), Ada May CAMPBELL (1909- ) and Robert CAMPBELL (1916- )