| Generation 0 - 1 person(s) on 1 (1 distinct persons) |
| 1 | Restricted to members |
| Generation 1 - 2 person(s) on 2 (2 distinct persons) |
| 2 | Marc de Visscher (31/03/1945-12/08/2024) |
| 3 | Restricted to members |
| Generation 2 - 2 person(s) on 4 (2 distinct persons) |
| 4 | Pierre de Visscher (~1918-) |
| 5 | Thérèse Jourdain (~1920-) |
| Generation 3 - 4 person(s) on 8 (4 distinct persons) |
| 8 | Fernand de Visscher (14/10/1885-15/12/1964) |
| 9 | Lucie Jourdain (15/01/1889-18/06/1970) |
| 10 | Léon Jourdain (~1890-) |
| 11 | Claire Dewies (~1892-) |
| Generation 4 - 2 person(s) on 16 (2 distinct persons) |
| 16 | Charles-Joseph de Visscher (12/08/1852-03/07/1897) |
| 17 | Augusta Fièvé (16/06/1859-17/04/1887) |