Yvonne de Lostau

• 
• Born on February 7, 1875 in Lesparre-Médoc
• Deceased on November 25, 1961 in Bordeaux, at the age of 86 years

Parents

• Guillaume de Lostau (1835 - bef. 1923), officier d'infanterie
• Marguerite de Veyssière (1851 - bef. 1923)

Family

• Married on February 21, 1899 in Bordeaux, with Henri de Verthamon, alias le Marquis de Verthamon (1867 - 1944)