Parents
- György Festetics (1815 - 1883)
- Eugenia Erdődy (1826 - 1894)
Family
- Married on June 2, 1880 in Budapest, with Mary Douglas-Hamilton (1850 - 1922), Lady Douglas-Hamilton, issuing
Mária (1881 - 1953)
György (1882 - 1941)- Alexandra (1884 - 1963)
- Karola Friderika (1888 - 1951)