- Deceased on June 15, 1793 in Maastricht
Parents
- Octave de Trazegnies (1675 - 1748), marquis de Bomy, mestre de camp de cavalerie
- Marie Thérèse d'Ansan d'Egremont, dame de Petit Sailly
Family
- Married on September 1, 1767 in Érin, with Jeanne Marie Ferdinande Brigitte de Croÿ (1737 - 1801), princesse du Saint-Empire