Henri Vennin
- Born on December 31, 1874 in Rennes
Parents
- Charles Constant Vennin (1828 - 1876), inspecteur, directeur de l'usine à gaz de lLa Rochelle
- Geneviève Léontine Bouchinot (1838 - )
Family
- Married on March 26, 1900 in Lyon, with Émilie Pauline Gaillard, issuing
- François-Henri (1901 - 1970)