Konstancja Poniatowski

• 
• Born on March 2, 1759
• Deceased in 1830, at the approximate age of 70 years

Parents

• Kazimierz Poniatowski (1721 - 1800), Prinz Poniatowski, lieutenant-général des armées polonaises
• Appolonia Ustrzycka (1736 - 1814)

Family

• Married on April 4, 1775, with Ludwik Tyszkiewicz ( - 1808), issuing
  • Anna (1776 - 1867)