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From Rodovid EN

Lineage	Ткаченко
Sex	Male
Full name (at birth)	Александр Александрович Ткаченко
Parents ♀ Таисия Андреевна Саморокова (Ткаченко) [Самороковы] ♂ Александр Ткаченко [Ткаченко]

From grandparents to grandchildren