Parents
- Paul d'Oncieu de Chaffardon (1843 - 1907)
- Lucie Angleys (1848 - 1891)
Family
- Married on May 11, 1908 in Chambéry, with Joseph du Laurens d'Oiselay (1869 - 1941), administrateur des services civils des colonies en Indochine, issuing
- Marie-Élisabeth (1917 - 2010)
- Henri (1919 - 1920)