Addresses
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Kryukov Canal/Saint Petersburg, city
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Gerhard, Ivan Kondratyevich ( Johann - Konrad) (1720–1808), an engineer, privy councillor.
Gerhard, Ivan Kondratyevich ( Johann - Konrad) (1720–1808), an engineer, privy councillor. He was born in Germany (Schwabia) and he got the elementary education there after that he learned at the Academy of Sciences in St Petersburg
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Peter I the Great (1672 - 1725), the Tsar (from 1682), the Emperor (from 1721).
Peter I the Great (1672–1725, SPb), the Tsar (from 1682), the Emperor (from 1721). He was a son of Tsar Alexei Mikhailovich in the second marriage (to N. К. Naryshkina)
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