Genealogy of Jean-Jacques Portner
| Great grandparents | César-Alcide Gauchat | Marie Amstutz | ||||||
| Grandparents | Willy Arthur Gauchat | Adrienne Augusta Junod | ||||||
| Parents | Jacques Portner (?) | Luce Gauchat (1933) | ||||||
| Person | Jean-Jacques Portner born in ? | |||||||
| Sibling(s) | André Portner (?) Francine Portner (?) Stéphane Portner (?) | |||||||