Fernand Jean Nicolas Claessens
- Born on March 20, 1854 in Meerssen
Parents
- Nicolas Arnold Isidor Claessens (1807 - )
- Marie Elisabeth Joséphine Bettonville (1820 - )
Family
- Married on December 19, 1878 in Liège, with Clary Victoire Lambertine Lechat (1857 - ), issuing
- Edmond (1883 - 1954)