+———Arthur STEVENSON (bef 1790 Ireland – )              |          +———Hans STEVENSON (1812 Ireland – aft 1871)          |      +———John Drennan STEVENSON (13 Feb 1835 Ireland – 15 Feb 1908)      |   |          |   +———Elizabeth DRENNAN (1812 Ireland – aft 1871)      |  +———John STEVENSON (10 May 1864 Quebec, Canada – 17 Oct 1922)  |   |      |   +———Ann MAXWELL (1828 Ireland – 8 May 1904)  |      Harold Rufus STEVENSON (29 Jan 1901 Quebec, Canada – )  |      +———Sarah Louise COLBERT (28 Mar 1880 Quebec, Canada – 25 Feb 1908)