sentences:  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 Toqto'a (d. 1312) and later to his successor Uzbek (1312–1341).After Abu Sa'id, relations between Christian princes and the Ilkhanate became very sparse.