 Abt 1863 -
 Abt 1863 - ( = Descendancy chart to this point,
 = Descendancy chart to this point,  = Expand,
 = Expand,  = Collapse)
 = Collapse)
 John Courtney  b. Abt 1874
  John Courtney  b. Abt 1874   b. 1897 d. 1989
 b. 1897 d. 1989
                     Clarence Arthur Holmes  b. 21 Nov 1891 d. 1940
  Clarence Arthur Holmes  b. 21 Nov 1891 d. 1940 
   
                                    
                                 b. 15 Feb 1923 d. 26 Aug 2018
 b. 15 Feb 1923 d. 26 Aug 2018
                                     George Irving
  George Irving     
   
                                                 
   
                                                 
 
                                                 b. 1924 d. 20 Oct 1987
 b. 1924 d. 20 Oct 1987
                                     Phyllis Gertrude Wightman  b. 25 Sep 1926 d. 26 Feb 2023
  Phyllis Gertrude Wightman  b. 25 Sep 1926 d. 26 Feb 2023 b. Abt 1953 d. 3 May 2001
 b. Abt 1953 d. 3 May 2001
                                                     Austin J. Bleakney  b. Abt 1939 d. 17 Aug 2017
  Austin J. Bleakney  b. Abt 1939 d. 17 Aug 2017 
 
                                                 
 
                                                