“How receive service from any man of this kind?” asked Temudjin when he heard how Kokocha had treated his master. The deserter told his tale, and was put to death straightway. But his wife was rewarded for her loyalty to Sengun. When Wang Khan’s head was brought to Baibuga his mother, Gurbaisu, had music before it with an offering. In the time of this ceremony the face seemed to smile at the honor. Baibuga, who thought the smile mockery, was offended and made the skull into a drinking cup rimmed and ornamented with silver. “In the East,” said Baibuga, “is that man Temudjin who drove out Wang Khan and brought him to ruin. This man may be thinking to make himself lord over all of us. There is only one sun in the heavens; how can two real lords be on earth at the same time? I will go to the East and seize this Temudjin, I will take all his people.” Sengun when deserted by Kokocha fled toward the Tibetan border and subsisted for a season by plundering, but was captured some time later and slain by Kilidj Arslan, the ruler of that region, who sent Sengun’s children and wives back to Temudjin, and submitted to his sovereignty. Thus perished the Khan of the Keraits and his son, and with them the separate existence of their people. CHAPTER IV TEMUDJIN TAKES THE TITLE OF JINGHIS AND REWARDS HIS EMPIRE BUILDERS One more great struggle was in store now for Temudjin, that with Baibuga, the Naiman, his father-in-law. Baibuga, alarmed at the rising power of his own daughter’s husband, sent an envoy to Ala Kush Tegin, the Ongut chief, to get aid. “Thou knowest,” said Baibuga, “that two swords cannot be in one scabbard, or two souls in one body. Two eyes cannot be in one socket, or two sovereigns in one region. Make haste then to seize the horn of empire which this upstart is seeking.” Ala Kush and the Onguts lived next the Great Wall of China, and guarded it, at least, during intervals, for the emperor of China. This Ongut chief was sagacious; he was near Temudjin and remote from Baibuga; he judged that the former was rising and the latter declining; hence after some thought he neglected Baibuga, left his message unanswered, and sent an envoy to explain the whole matter to Temudjin. Baibuga found other allies, however.