Maria of Chernigov

[1] Both her father and her husband were killed by the forces of Batu Khan.

[1][2] She was the daughter of Prince Saint Michael of Chernigov.

[2] In 1238, her spouse died in the Battle of the River Sit against Batu Khan during the Mongol invasion.

[3] She became regent and guardian of her son Boris during his minority.

Her chronicle is an invaluable source about 13th-century Rostov and Rus' as a whole.