Son of Louis Phillipe Marie Alexandre, 3rd Prince de Wagram (1836-1911), he succeeded his father as 4th Prince 15 July 1911. The 4th Prince was unmarried, and was an active collector of impressionist paintings.
Frimmel, Theodor von. Lexicon der Wiener Gemaeldesammlungen. 2 vols. Munich, 1913-1914:I:107-108
La Coste-Messelière, M.-G. de. "Un jeune prince amateur d'impressionnistes et chauffeur." L'Oeil 179 (November 1969):18+