Prince Michael Vorontzov - Count Shuvalov owned 4,21,461 desyatins of land. He was the seventh largest landowner in russia. His brother in law Count II Vorontzov-Dashkov owned 2,98,000 desyatins of land and was the 14th largest landowner in Russia. The second brother in law NP Balashov (husband of Catherine Balashov) was on the fifth position with 5,21,838 desyatins. Prince Micheal's cousin Count Paul Shuvalov (Betzy Shuvalov's husband) owned 5,37,030 desyatins and was on fourth position after Stroganovs, Abamelek-Lazarevs and Demidovs. ( From Dominic Lieven's Aristocracy in Europe)