Marie Kalergi (1840–1877)
Marie Kalergi was a Polish noblewoman. Born in Saint Petersburg, she was the daughter of Jan Kalergi and the pianist Marie Nesselrode. Kalergi was married on June 27, 1857 in Paris to Franz Karl Coudenhove, founding the Coudenhove-Kalergi family. Their children were:
- Heinrich Johann Marie Coudenhove-Kalergi, founding the surname "Coudenhove-Kalergi" in 1903
- Friedrich Coudenhove-Kalergi
- Johann Dominik Maria Coudenhove-Kalergi
- Maria Thekla Walburga Franzisca Coudenhove-Kalergi
- Richard Joseph Franz Maria Coudenhove-Kalergi
- Marietta Anna Sophie Viktorie Coudenhove-Kalergi
Marie Kalergi died, aged 37, at Ronsperg.