(NB: Du må kanskje bla ned for å se hele treet.)
| Harold James Dyson Seddon |
| Harold James Dyson Seddon | |
| F: | 25 Jul 1915 |
| Vettre, Asker, Norge | |
| D: | Ja, ukjent dato |
| Barbara Morgan |
| Barbara Morgan | |
| F: | 13 Mar 1918 |
| Manchester, England | |
| D: | Ja, ukjent dato |
| Baronesse Elisabeth Adelheid Rita von Behr |
| Baronesse Elisabeth Adelheid Rita von Behr | |
| F: | 12 Feb 1929 |
| Reichenbach, Tyskland | |
| D: | Ja, ukjent dato |
| Frances Elisabeth Seddon |
| Frances Elisabeth Seddon | |
| F: | 1 Nov 1916 |
| Vancouver, Canada | |
| D: | Ja, ukjent dato |
| Fritz Rustad |
| Fritz Rustad | |
| F: | 29 Sep 1910 |
| Oslo, Norge | |
| D: | Ja, ukjent dato |
| John Wilfred (Jack) Seddon |
| John Wilfred (Jack) Seddon | |
| F: | 15 Mar 1918 |
| Vancouver, Canada | |
| D: | 1941 |
| London, England | |
| Mary Joy Seddon |
| Mary Joy Seddon | |
| F: | 21 Aug 1925 |
| Malvern, England | |
| Alfred Alexander Perry |
| Alfred Alexander Perry | |
| F: | 22 Jan 1927 |
| Chicago, Illinois, USA | |
| D: | Ja, ukjent dato |
|
| Wenche Hopstock Haslund |
| Wenche Hopstock Haslund | |
| F: | 26 Nov 1889 |
| Haugesund, Norge | |
| D: | 16 Feb 1939 |
| Oslo, Norge | |
| Harold Seddon |
| Harold Seddon | |
| F: | 15 Jan 1884 |
| Little Aston, England | |
| D: | Ja, ukjent dato |