Isaac Louis de Thellusson

• 
• Born on April 28, 1727 in Paris
• Deceased on December 11, 1790 in Geneva, at the age of 63 years

Parents

• Isaac de Thellusson (1690 - 1755), ministre plénipotentiaire de la République de Genève à la cour de France
• Sarah Le Boullenger (1700 - 1769)

Family

• Married in 1754 in Geneva, with Henriette Bertrand (1732 - 1755), issuing
  • Marie-Madeleine (1755 - 1815)
• Married in 1760, with Julie Marguerite Ployard (1740 - 1820), issuing
  • Anne Louise Julie (1761 - 1821)
  • Georges Isaac (1763 - )
  • Jeanne (1768 - 1800)