Certain other small districts have also from time to time been joined to Montenegro at different times, e.g. Grahovo. Each of the Montenegrin tribes has a distinct tradition of origin from an individual or family. They tell almost invariably of immigration into their present site in the fifteenth or sixteenth century. Thus Nyegushi in 1905 told me of descent from two brothers Jerak and Raiko, who fled from Nyegushi in the Herzegovina fourteen generations ago. The Royal family, the Petrovitches, traces descent from Jerak. If we take thirty years as a generation this gives us 1485. The Turks had then begun to overrun Bosnia and the Herzegovina.
Ivan Tsrnoievitch, chief of the tribes of the Zeta, was so hard pressed by the oncoming Turks that he burnt his capital of Zhablyak and withdrew to the mountains, where he founded Cetinje in 1484. Tradition thus corresponds closely with historic fact. The strength of Turkish influence is shown by the fact that even to-day the peasant speaks of Ivan as