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From Rodovid EN

Lineage	Вяземские
Sex	Male
Full name (at birth)	Пётр Александрович Вяземский

Events

marriage: ♀ Анна Александровна Черкасская (Вяземская) [Черкасские]

Sources

1. ↑ Template:Российская родословная книга -

From grandparents to grandchildren