Accompanied by several of his nobles, he took the weary journey, and humbly presented himself in the tent of the conqueror.

Bati compelled the humiliated prince to send his young son, Constantin, to Tartary, to the palace of the grand khan Octai, who was about to celebrate, with his chiefs, the brilliant conquests his army had made in China and Europe.

If the statements of the annalists of those days may be credited, so sumptuous a fete the world had never seen before.

The guests, assembled in the metropolis of the khan, were innumerable.

Yaroslaf was compelled to promise allegiance to the Tartar chieftain, and all the other Russian princes, who had survived the general slaughter, were also forced to pay homage and tribute to Bati.
After two years, the young prince, Constantin, returned from Tartary, and then Yaroslaf himself was ordered, with all his relatives, to go to the capital of this barbaric empire on the banks of the Amour, where the Tartar chiefs were to meet to choose a successor to Octai, who had recently died.