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Damascus, for a spot less impregnated with the memories of the fallen dynasty, and it is to his wise, just and liberal rule that the rapid prosperity of the new capital must be ascribed. According to El Mesoudi, Khalid surpassed, in prudence, bravery, learning, generosity and noble qualities and accomplishments, even his more celebrated descendants.
His son Yehya we first meet with as governor of Armenia under El Mensour. Under the latter’s successor, El Mehdi, he became Secretary of State and was entrusted by the Khalif with the charge of his son Haroun’s education. Yehya was the foster-father of this prince, who was born nearly at the same time as his own son El Fezl, and an exchange of infants for some reason took place between the mothers, Kheizuran suckling Fezl and Zubeideh (Yehya’s wife) Haroun. The two boys thus became foster-brothers (a quasi-relatïon which, though merely nominal in Europe, is invested by Mohammedan law with rights and obligations nearly akin to those of actual brotherhood), and in consequence of this and of the semi-paternal authority exercised over him by Yehya, in his capacity of governor, Haroun was wont to call the latter father. It was to the prudence and boldness with which, during the short and stormy reign of the crackbrained tyrant El Hadi, Yehya played the difficult and dangerous part of governor and adviser of the heir presumptive (a rôle to which he clave with extraordinary fidelity and magnanimity, under the most discouraging circumstances), that the latter owed his throne and indeed his life, and the Barmecide came near
