Jacques Florent François de Thiennes

• 
• Killed on October 14, 1758

Parents

• Théodore Wautier de Thiennes
• Marie Philippe van der Gracht ( - 1726)

Family

• Married on June 24, 1739, with Marie Thérèse Ballet (1707 - 1784), issuing
  • Théodora (1744 - 1829)
  • François (1745 - 1822)