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Kassay Pyetr Syemyenovich 1915-1980
	Father:   Kassay Syemyen Yefryemovich 1891
	Mother:   Pirgo Yekatyerina Syergyeyevna 1892
	Place of birth:  Malyy Yanisol`
	Place of death:  Chyelyabinsk
	Family: Unknown parent Nina Pyetrovna 1940 Valyentina Pyetrovna 1948

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