Genealogy of Pierre-Alain Geiser
| Great grandparents | Ami-Alexandre Geiser | Sophie-Adèle Droz | Louis Barfüss | |||||
| Grandparents | Henri Léopold Geiser | Ida Barfuss | ||||||
| Parents | Maurice Léopold Geiser (?) | Lucette Alice Junod (?) | ||||||
| Person | Pierre-Alain Geiser born in ? | |||||||
| Sibling(s) | Martine Geiser (?) Francine Michèle Geiser (1945) | |||||||