Princess Konstancja Poniatowska (1759–1830) was a Polish noble lady.
Konstancja married Ludwik Tyszkiewicz in 1775. She was one of the closest friends of the famous French Minister of Foreign Affairs, Charles Maurice de Talleyrand-Périgord.
| Persondata | |
|---|---|
| Name | Poniatowska, Konstancja |
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| Short description | |
| Date of birth | 1759-03-02 |
| Place of birth | |
| Date of death | 1830 |
| Place of death | |