Marguerite Hélène Elisabeth de Coppet

• 
• Born on July 9, 1894 in Paris
• Deceased on December 6, 1970 in Lausanne, at the age of 76 years

Parents

• Maurice Louis Jules de Coppet (1868 - 1930), écrivain, traducteur
• Renée Anne Marguerite Naville (1870 - 1897)

Family

• Married on March 14, 1923 in Paris, with Oscar Théodore Chavannes (1893 - 1934), ingénieur