Andrei III was the son of Grand Prince Alexander Nevsky
. He came to the throne by overthrowing his older brother Dmitry I
. Dmitry appealed to the Mongol
s who were the overlords of Russia at the time and got their forces to help him regain the throne in 1283
. However, after some years Andrei regained the favor of the Mongols and with their support, overthrew Dmitry again in 1294
. Dmitri died shortly afterward, and Andrei had no great competition.
During the remainder of Andrei's reign, he was able to defeat the Swedish who had built a fort on the Neva River, blocking Russia's access to the Baltic Sea. Also during his period, Andrei's younger brother Daniel gained a lot of territory from other Russian princes for his city of Moscow. Nonetheless, when Andrei died in 1304, he was succeeded by his cousin Mikhail.