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Kostanets Yuriy Sotirov (Isidorov) 1850
	Father:   Kostanyets Sotir Yuryev 1814
	Mother:
	Place of birth:  Yalta
	Family: Unknown parent Isidor Yuryevich (Gyeorgiyevich) 1873 Vladimir Yuryevich (Gyeorgiyevich) 1896

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