Carl was the son of Carl Isidor Cori (1865, Brüx (Czech: Most), R.Bohemia, Imp.Austria–1954, Vienna), a Zoologist, and Maria née Lippich (1870, Graz–1922, Prague), a daughter of the Italian-Bohemian/Austrian physician Ferdinand (Franz) Lippich (1838, Padova–1913, Prague).