List of 4 descendants of Gustave Pierart found in 4 iterations
| Gustave Pierart (05/09/1846-) | |
| Auguste Pierart (1883-1944) | |
| Restricted to members | |
 | Philippe Colson (30/04/1949-01/04/2016) |
| Gustave Pierart (05/09/1846-) | |
| Auguste Pierart (1883-1944) | |
| Restricted to members | |
| Philippe Colson (30/04/1949-01/04/2016) |