- Born on July 7, 1871 in Abzac
- Deceased after 1918
Parents
- Jules-Octave Garnier de La Boissière (1825 - 1894), chevalier, comte de La Boissière
- Émilie de James (1839 - 1917), sans profession
Family
- Married on April 11, 1899 in Romilly-sur-Aigre, with Germaine de Tarragon (1877 - 1945), issuing
- Guy-Joseph (1901 - )
Marguerite Marie Thérèse Charlotte (1902 - )