text:  (surnamed Al-muyyed-billah the assisted by God ) the only son of Al-hakem was but nine years old at the time of his father's decease; and for some time the government was directed in his name by the Hajib Jafar Al-Mushafi; but the influence of the queen-mother erelong succeeded in displacing this faithful minister in favour of Mohammed Ibn Abu Amir who then held the post of _sahib-ush-shortah_ or captain of the guard