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Yatsko Konstantin Antonov 1877
	Father:   Yatsko Anton Konstantinovich 1837
	Mother:
	Place of birth:  Chyerdakly
	Family: Unknown parent Varvara Konstantinova 1900 Vladimir Konstantinov 1902-1902 Antoniy Konstantinovich 1904 Yelyena Konstantinovna 1906 Anastasiya Konstantinovna 1909 Gyeorgiy Konstantinovich 1911 Nataliya Konstantinovna 1915 Nikolay Konstantinovich 1918

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