- Born on July 12, 1882 in Rennes
Parents
- Michel René du Garreau de La Méchenie (1844 - 1926), caissier de la Banque de France
- Marguerite Blanche Gabrielle de Vimont (1850 - )
Family
- Married on November 30, 1921 in Rennes, with Germaine Ceillier (1882 - 1949), issuing
- Yves ( - c. 2005)