 Complete the following phrase:  In 1285, Mikhail of Tver, a son of Yaroslav of Tver, succeeded his father and became the Prince of Tver. In 1305 he became the Grand Prince of Vladimir as well, however, Öz Beg Khan of the Golden Horde decided that Tver became too strong, and supported Moscow against Tver. Mikhail was summoned to the Golden Horde and executed there in 1318. His son and successor, Dmitry of Tver, was executed in the Golden Horde in 1326, and another son and also a prince of Tver, Aleksandr Mikhailovich of Tver, was executed there in 1339 as well together with his son Fyodor. In 1327, there was an 