an Entity references as follows:
Ekaterina Kalinina (Russian: Екатерина Ивановна Калинина; née Lorberg; 2 July 1882 – 22 December 1960) was the wife of Soviet politician Mikhail Kalinin, the chair of the Presidium of the Supreme Soviet and formally the head of state (1938–1946). She was in a labor camp from 1938 to 1946 which is called the period of the Great Terror Stalin.