Jean-Baptiste de Coustin

• 
• Born on October 15, 1760 in Rancon
• Deceased on November 14, 1760, in infancy
• Burial the same day in Rancon

Parents

• Louis de Coustin (1724 - 1814), seigneur des Boines, capitaine d'infanterie
• Marie Charlotte Bonnin de Grandmont (1739 - 1779)