Louise Cécile Mengin
- Born on December 14, 1826
Parents
- François Louis Mengin (1773 - 1863), maréchal de camp
- Marie Thérèse Françoise Nicolas (1789 - )
Family
- Married on December 5, 1859 in Thiaucourt-Regniéville, with Jules Rouyer (1820 - 1898), directeur des postes à Nancy, numismate