They entered Asia Minor much as the earlier Turcomans had entered it—a small body of nomadic adventurers, thrown off by the larger body of Turks settled in Persia to seek new pastures west of the Euphrates. There are divers legends about the first appearance and establishment of these particular Turks: but all agree that they were of inconsiderable number— not above four hundred families at most. Drifting in by way of Armenia, they pressed gradually westward from Erzerum in hope of finding some unoccupied country which would prove both element and fertile. Byzantine influence was then at a very low ebb. With Constantinople itself in Latin hands, the Greek writ ran only along the north Anatolian coast, ruled from two separate centres, Isnik (Nicaea) and Trebizond: and the Seljuk kingdom was run in reality much more vigorous. Though apparently without a rival, it was subsisting by consent, on the prestige of its past, rather than on actual power. The moment of its dissolution was approaching, and the Anatolian peninsula, two-thirds Islamized, but ill-organised and very loosely knit, was becoming once more a fair field for any adventurer able to command a small compact force. The newly come Turks were invited finally to settle on the extreme north-western fringe of the Seljuk territory—in a region so near Nicaea that their sword would be a better title to it than any which the feudal authority of Konia could confer. In fact it was a debatable land, an angle pushed up between the lake plain of Nicaea on the one hand and the plain of Brusa on the other, and divided from each by not lofty heights, Yenishehr, its chief town, which became the Osmanli chief Ertogrul’s residence, lies, as the crow flies, a good deal less than fifty miles from the Sea of Marmora, and not a hundred miles from Constantinople itself. Here Ertogrul was to be a Warden of the Marches, to hold his territory for the Seljuk and extend it for himself at the expense of Nicaea if he could. If he won through, so much the better for Sultan Alaeddin; if he failed, _vile damnum!_