 They hired Turkish officers in Damascus and Aleppo to that purpose, wrote to Chalabi Carmona, an influential Jew of Constantinople, to ask the Sultan for justice, and requested a firman to that effect.Carmona obtained from Grand Mufti of Constantinople Sheikh ul-Islam, the supreme religious authority of the Ottoman Empire, a firman requiring the governors of Damascus, Aleppo and two other pashas to lend their troops to the three brothers in their pursuance of justice against Abdullah.In April 1821 the Farhi brothers arrived with a large army in the Akko Sanjak.