- Born on February 13, 1825 in Mareuil-sur-Ay
- Deceased on February 3, 1905 in Avize, at the age of 79 years
Parents
- Nicolas-François Billecart (1794 - 1858), fondateur de la maison Billecart-Salmon, négociant en vins de Champagne
- Élisabeth Salmon (1797 - 1850)
Family
- Married on April 20, 1843 in Mareuil-sur-Ay, with Amédée Leroy (1816 - ), notaire à Tours-sur-Marne, propriétaire, issuing
- Pauline (1844 - 1924)