Complex sentence: Count Illarion Ivanovich Vorontsov-Dashkov (1837-1916) was the last notable representative of the Vorontsov family, who served as Minister of Imperial Properties in 1881-97 and the General Governor of Caucasus in 1905-15.
Split into simpler sentences: Count Illarion Ivanovich Vorontsov-Dashkov (1837-1916) was the last notable representative of the Vorontsov family. He served as Minister of Imperial Properties in 1881-97 and the General Governor of Caucasus in 1905-15.