+———Earle Harrison MACDOWALL (1908 – 1996)  |      MACDOWALL (Jan 1944 – Jan 1944)  |                          |                   +———Joseph SPARROW (England – )  |                   |  |               +———John SPARROW (1783 England – )  |               |   |      |               |   +———Ann  |               |  |           +———John A. SPARROW (1806 – 1894)  |           |  |       +———Robert Colbert SPARROW (31 Jul 1843 – 4 Oct 1921 Fitzroy, Ontario, Canada)  |       |   |      |       |   +———Elizabeth COLBERT (1816 – 1892)  |       |  |   +———Arnold William Arthur SPARROW (31 Oct 1876 Antrim, Ontario, Canada – 30 Sep 1950 Arnprior, Ontario, Canada)  |   |   |              |   |   |       +———MCGINLEY  |   |   |       |  |   |   |   +———Robert MCGINLEY (Ireland – )  |   |   |   |  |   |   +———Elizabeth MCGINLEY (8 Aug 1842 – 1926)  |   |  +———Isabel J. L. SPARROW (1921 Ontario, Canada – 2007)      |          +———Isabel MOFFATT (Mar 1884 Ontario, Canada – 1967)