Sidonie Delacoste
- Born circa 1841 in Monthey
Parents
- François Delacoste (1782 - 1851)
- Marie Josephe Madelaine de Vanthéry (1801 - 1864)
Family
- Married on November 28, 1867 in Monthey, with Henri Aloïs Victor Marie Biollay (1841 - 1913), avocat et notaire, issuing
Joseph Marie François (1870 - )- Henri (1882 - 1954)