His grandson inherited the regal name; but after a faint and fruitless enterprise, he returned to China, and ended his days in the palace of Sigan.

The male line of the Sassanides was extinct; but the female captives, the daughters of Persia, were given to the conquerors in servitude, or marriage; and the race of the caliphs and imams was ennobled by the blood of their royal mothers.
After the fall of the Persian kingdom, the River Oxus divided the territories of the Saracens and of the Turks.

This narrow boundary was soon overleaped by the spirit of the Arabs; the governors of Chorasan extended their successive inroads; and one of their triumphs was adorned with the buskin of a Turkish queen, which she dropped in her precipitate flight beyond the hills of Bochara.

But the final conquest of Transoxiana, as well as of Spain, was reserved for the glorious reign of the inactive Walid; and the name of Catibah, the camel driver, declares the origin and merit of his successful lieutenant.

While one of his colleagues displayed the first Mahometan banner on the banks of the Indus, the spacious regions between the Oxus, the Jaxartes, and the Caspian Sea, were reduced by the arms of Catibah to the obedience of the prophet and of the caliph.