- Born on January 29, 1859 in Brussels
- Deceased on September 28, 1906, at the age of 47 years
Parents
- Rodolphe de Croÿ (1823 - 1902), duc de Croÿ, membre de la Chambre des seigneurs de Prusse, propriétaire
- Nathalie de Ligne (1835 - 1863), princesse de Ligne
Family
- Married on April 25, 1888 in Brussels, with Ludmilla d'Arenberg (1870 - 1953), issuing
- Karl Rudolf (1889 - 1974)
Isabella (1890 - 1982)- Englebert (1891 - 1974)
- Anton (1893 - 1973)