Towards the middle of the thirteenth century a small band or tribe of nomad Turks migrated from Khorassan, in Central Asia, into Asia Minor. They were part of a much larger body, variously estimated at from two to four thousand horsemen, who, with their families, had fled from their homes in Khorassan under Solyman Shah. They had been driven thence by an invading horde of Mongols from farther east. They hoped to find asylum in Asia Minor. They crossed into Armenia and spent some years in the neighbourhood of Erzerum, plundering the natives there.

When the wave of Mongols had spent its force, they proposed to return to Khorassan. On reaching the Euphrates River Solyman, when trying, on horseback, to find a ford, was carried away by the current and drowned. This was reckoned as a bad omen by many of his followers. Two of his sons, with a majority of them, either returned to Central Asia or dispersed on the way there...