Diego de Gregorio Cattaneo
principe di Sant'Elia
- Born on March 15, 1871
- Deceased on January 31, 1942, at the age of 70 years
Parents
- Leopoldo de Gregorio (1838 - ), principe di Sant'Elia
- Ida Monaldi
Family
- Married on September 16, 1896 in Naples, with Albina Ruffo (1861 - 1938), issuing
- Carlo (1898 - 1958)