+———Arthur STEVENSON (bef 1790 Ireland – )
          |
      +———John STEVENSON (1807 Ireland – 3 Nov 1890)
      |
  +———Stewart STEVENSON (22 Jun 1855 Wakefield, Quebec, Canada – 1935)
  |   |        
  |   |   +———Thomas KIRK (Londonderry, Ireland – )
  |   |   |
  |   +———Catharine KIRK (abt 1813 – 10 Nov 1864)
  |       |    
  |       +———Catherine GREEN (1782/3 – 27 Apr 1854)
  |    
  William Rufus STEVENSON (28 Oct 1898 Quebec, Canada – 30 Nov 1971 White Rock, British Columbia, Canada)
  |    
  +———Margaret COPELAND (18 Dec 1866 Wakefield, Quebec, Canada – 1908)