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- Born in 1777
- Deceased in 1862, at the approximate age of 84 years
Parents
- Ivan Sergueïevitch Gagarine, alias Иван Сергеевич Гага́рин (1754 - 1810), prince Gagarine, diplomate, membre du Conseil privé de la Cour
- N Volkonskaïa, alias Мария Алексеевна Волконская (1750 - 1804), princesse Mariya Alekseevna