Léon Otto de Mentock
- Born on November 4, 1825 in Brussels
- Deceased on November 3, 1894, at the age of 68 years
Parents
- Charles Otto (1789 - 1874), magistrat
- Adèle Powis de Tenbossche (1803 - 1878)
Family
- Married on June 21, 1854 in Brussels, with Dorothée Snoy (1827 - 1909), issuing
