Constant Joseph Lefranc
- Born on October 25, 1871 in Sailly-sur-la-Lys
- Deceased on May 21, 1872 in this municipality, in infancy
Parents
- Pierre Louis Désiré St Cyr Lefranc (1824 - 1883), batelier, marchand de fruits
- Elidore Elisa Joseph Bailleul (1832 - 1914), tisserande