Pierre Albéric Marie de Mary de Longueville
- Born on December 23, 1870
- Deceased on May 16, 1963 in Saint-Rémy, at the age of 92 years
Parents
- Albéric Marie César de Mary de Longueville (1841 - 1882), maire
- Mathilde Émilie Marie de Croisilles (1846 - )
Family
- Married on August 21, 1899 in Verquin, with Henriette d'Herbomez (1870 - )