+———Arthur STEVENSON (bef 1790 Ireland – )      |  +———John STEVENSON (1807 Ireland – 3 Nov 1890)  |      J. Thomas “Thomas” STEVENSON (14 Oct 1848 Quebec, Canada – )  |          |   +———Thomas KIRK (Londonderry, Ireland – )  |   |  +———Catharine KIRK (abt 1813 – 10 Nov 1864)      |          +———Catherine GREEN (1782/3 – 27 Apr 1854)