 The Yam are also mentioned as tributaries to Novgorod in the Primary Chronicle, but they disappear from sources later on.Conflicts certainly began in the early 12th century, however information on them remains very scarce.According to the Novgorod First Chronicle, another Prince of Novgorod, Vsevolod Mstislavich, and his troops from Novgorod were at war with Yem during a great famine in 1123.