Complex sentence: In 1846 he retired and spent two years living in the province, then in 1848 married Ekaterina Svinyina and returned to the state office, again in Kostroma, as a special envoy for Prince Suvorov, than the Kostroma governor.
Split into simpler sentences: In 1846 he retired and spent two years living in the province. In 1848 he married Ekaterina Svinyina and returned to the state office, again in Kostroma, as a special envoy for Prince Suvorov, than the Kostroma governor.