+———Arthur STEVENSON (bef 1790 Ireland – )      |  +———Thomas STEVENSON (1808 Killyleagh Par, County Down, Ireland – 14 Feb 1896)  |      Dr. Hans STEVENSON (3 Apr 1853 Wakefield, Quebec, Canada – 4 Nov 1911 Wakefield, Quebec, Canada)  |          |   +———James PRITCHARD (1783 Currin Par, County Monaghan, Ireland – 10 Jun 1880 Wakefield Twp, Quebec, Canada)  |   |  +———Ann PRITCHARD (1811 Clones, County Monaghan, Ireland – 10 Oct 1895)      |          +———Judith FERGUSON (1788 Currin Par, County Monaghan, Ireland – 29 Dec 1852 Wakefield Twp, Quebec, Canada)