Career
She was a daughter of Arthur de Cartier de Marchienne (1831–1890) and Mathilde Troye (1834–1873). Fernande married Michel Cleenewerck de Crayencour (1853–1929) on 18 November 1900, who was the son of Michel-Charles Cleenewerck de Crayencour and Noémie Dufresne. She died ten days after the birth of Marguerite of puerperal fever and peritonitis.