 In the 14th century , diplomatic contact continued between the Franks and the Mongols , until the Ilkhanate dissolved in the 1330s , and the ravages of the Black Death in Europe caused contact with the East to be severed . A few marital alliances between Christian rulers and the Mongols of the Golden Horde continued , such as when the Byzantine emperor Andronicus II gave daughters in marriage to <unk> 'a ( d . 1312 ) and later to his successor Uzbek ( 1312 – 1341 ) . 
