+———John JOHNSTON  |      William David JOHNSTON (1875 – )  |          |   +———William SPROULE (1826 Ireland – 1886)  |   |  +———Margaret Anne SPROULE (Feb 1855 – 4 Aug 1912 Arnprior, Ontario, Canada)      |                  |       +———William CAVANAGH (1759 Tipperary, Ireland – abt 1819 Tipperary, Ireland)      |       |      |   +———William CAVANAGH (abt 1798 Tipperary, Ireland – 1838 Fitzroy, Ontario, Canada)      |   |   |          |   |   +———Elizabeth “Eliza” DONNELLY (abt 1769 Tipperary, Ireland – abt 1829 Tipperary, Ireland)      |   |      +———Mary CAVANAGH (1830 Ontario, Canada – 16 Aug 1914 Elwood, Ontario, Canada)          |                  |   +———Thomas HODGINS          |   |          +———Rebecca HODGINS (28 Oct 1803 Tipperary, Ireland – 11 Jan 1878 Huntley, Ontario, Canada)              |                  +———Mary