an Entity references as follows:
Ivan Ignatyevich Yakubovsky (Russian: Ива́н Игна́тьевич Якубо́вский; 7 January 1912 – 30 November 1976) was a Marshal of the Soviet Union, twice made a Hero of the Soviet Union and serving as commander-in-chief of the Warsaw Pact from 1967 to 1976.