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From Rodovid EN

Lineage	Гейшторы
Sex	Male
Full name (at birth)	Константин Константинович Гейштор
Parents ♂ Константин Михайлович Гейштор [Гейшторы] b. 28 January 1884

Notes

• http://www.macroscopies.com/GENEALOGIE/Geystor/persons/person66.html

From grandparents to grandchildren