- Born on October 2, 1871 at château de Rocquencourt
- Deceased on March 18, 1939 in Rome, at the age of 67 years
Parents
- Michel Ney d'Elchingen (1835 - 1881), duc d'Elchingen, général de brigade
- Paule Furtado-Heine (1847 - 1903)
Family
- Married on November 15, 1905 in Paris, with Ottavio Lanza Branciforte (1863 - 1938), duca di Camastra