Bertha Charlotte Boulenger
- Born on May 20, 1870 in Choisy-le-Roi
Parents
- Hippolyte Boulenger (1836 - 1893), manufacturier en faïences
- Élisa Adèle de Geiger (1846 - 1926)
Family
- Married on February 28, 1889 in Choisy-le-Roi, with Louis Gérardin (1858 - 1914), colonel du 113e régiment d'infanterie, issuing
Édouard (1889 - 1936)