Maria Grigorievna Skuratova-Belskaya was a Tsaritsa of Russia as the wife of Tsar Boris Godunov. She served as regent of Russia during the minority of her son, Tsar Feodor II of Russia, in 1605.
False Dmitry's Agents Murdering Feodor Godunov and his Mother, by Konstantin Makovsky (1862). Tretyakov Gallery, Moscow.