 Complete the following phrase:  Kaributas was born some time after 1350 exact date is unknown to Algirdas of Lithuania and Uliana of Tver. Born a pagan, around 1380 he was baptised in the Orthodox rite and became the prince of Severian Novgorod. He adopted the Christian name of Dmitry and hence is sometimes referred to as Dmitry Korybut a combination of his Slavicised Lithuanian name Kaributas and his Christian name. He appeared in politics during the 