Janus Gerbaix de Sonnaz
Ettore de Sonnaz's father
Born: November 1, 1736
Died: February 15, 1814 (age 77 years)
Children: Ettore de Sonnaz, Alphonse Gerbaix de Sonnaz, and Hippolyte Gerbaix de Sonnaz
Grandchildren: Giuseppe Gerbaix de Sonnaz and Carlo Alberto Gerbaix Di Sonnaz