- Born on September 4, 1861 in Dinan
- Deceased on March 3, 1942 in Saint-Méen-le-Grand, at château des Gravelles, at the age of 80 years
Parents
- Léonard Droüet de Montgermont (1832 - 1897), écuyer, comte de Montgermont
- Émilie d'Aubert (1840 - 1927)
Family
- Married on April 15, 1890, with Marguerite Legeard de La Diriays (1867 - 1948), issuing
Madeleine (1891 - 1977)- Maurice (1903 - 1986)
- Marie-Thérèse (1910 - 2007)
- Private