[1][2] Amin al-Dawla declared himself the independent ruler of the town, ruling a territory extending from Akkar in the north to Jubayl (Byblos) in the south.
[2][3] Amin al-Dawla's two nephews fought for the succession, with one of them, Jalal al-Mulk Ali ibn Muhammad, emerging victorious and exiling his brother.
[2] Jalal al-Mulk ruled the city in a precarious diplomatic balancing act between the Fatimids to the south and the Seljuks to the east.
[2][3] As part of his strategy to enhance Tripoli's position, he invested large sums in turning the city a famous centre for learning, founding a "House of Knowledge" that attracted scholars, as well as a notable library of reportedly 100,000 volumes.
[6] He left the city in 1108 to rally the Sunni rulers at Damascus and Baghdad to his assistance, but was deposed by the populace in a pro-Fatimid revolt.