- Born on October 1, 1934 in Saint-Jean-Cap-Ferrat
- Deceased on December 8, 2017 in Colombes, at the age of 83 years
Parents
- René de Roys de Lédignan Saint-Michel (1898 - 1945), lieutenant-colonel de cavalerie
- Thérèse Geoffroy (1907 - 1954)
Family
- Married on July 2, 1960 in Hollenegg, with Maria Christina von und zu Liechtenstein (1933 - 2009), Prinzessin von und zu Liechtenstein, divorced in 1973, issuing
Private- Private
- Private
Distinctions
- croix de la Valeur militaire