Gertrude Elisa Jenny Koechlin

• 
• Born on July 19, 1890 in Lille
• Deceased on December 30, 1972 in Chevreuse, at the age of 82 years

Parents

• Julien Koechlin (1859 - 1911), ingénieur des Arts et Manufactures à la Compagnie des Chemins de fer du Nord
• Gabrielle Koechlin (1860 - 1935)

Family

• Married on October 20, 1923 in Paris, with Charles Léon Chenouard (1898 - 1963), issuing
  • Jean Louis Charles (1924 - 2002)