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From Rodovid EN

Lineage	Константиновы
Sex	Male
Full name (at birth)	Николай Иванович Константинов
Parents ♂ Иван Николаевич Константинов [Константиновы] b. 1828

Events

1862 birth: Российская империя

marriage: ♀ Екатерина Николаевна Волжина (Константинова) [Волжины]

From grandparents to grandchildren