- Born on August 22, 1860
- Deceased on September 12, 1917, at the age of 57 years
Parents
- Heinrich Reuß zu Köstritz (1821 - 1894)
- Luise Reuß zu Greiz (1822 - 1875)
Family
- Married on February 28, 1908 in Cobourg, with Ferdinand von Sachsen-Coburg und Gotha, Ferdinand Ier de Bulgarie (1861 - 1948), Tsar de Bulgarie