Maria of Borovsk

Maria Yaroslavna of Borovsk (c. 1420–1485), daughter of the prince of Borovsk, became grand princess of Moscow on marrying Vasily II in 1433. During the civil war she was exiled to Galich when Dmitry Shemyaka seized Moscow, and in 1446 was captured and sent to Uglich with her husband.

Mother of Ivan III, she granted tax exemptions to the Trinity Lavra in 1450 and the Kirillo-Belozersky Monastery in 1471, and after her husband's death inherited Rostov.

In 1480 she blessed her son's campaign against Ahmed Khan. She took the veil as Marfa in 1482 and died in 1485.