Parents
- André Poniatowski (1864 - 1954), prince Poniatowski, industriel
- Elizabeth Helen Sperry (1872 - 1943)
Family
- Married on October 19, 1920 in Paris, with Aldegonde de Sainte-Aldegonde (1892 - 1973), sans profession, issuing
Stanislas (1922 - 1925)- Private
- Edmond (1926 - 2004)
- Albert (1929 - 2009)
- Jean-Stanislas (1935 - 2024)