Mubarak Al-Sabah Mubarak Al-Sabah Sheikh Mubarak bin Sabah Al-Sabah, KCSI, KCIE (1837 – November 28, 1915) () "the Great" was the seventh ruler of Kuwait from May 18, 1896 until his death on November 28, 1915. Mubarak ascended the throne upon killing his half-brother, Muhammad Al-Sabah. Mubarak was the seventh ruler of the Al-Sabah dynasty. Mubarak was also the father of two rulers of Kuwait that succeeded him, Jaber and Salim, from which the Al-Jaber and Al-Salim in the Al-Sabah family branches originated respectively, and is the paternal ancestor of all successive rulers and prime ministers of Kuwait. Sheikh Mubarak signed the
Anglo-Ottoman Convention of 1913 intervene in matters of the Gulf, of which the British desired to retain a monopoly. The Ottomans were willing to drop all claims to Bahrain, in which they had never been able to maintain anything but a symbolic role, but not Qatar. As a question of sovereignty, the Ottomans argued that the empire had always exercised effective sovereignty over the peninsula and could not justify the abandonment of territory which it had never formally renounced. Yet under considerable pressure it renounced claims to both (Articles 11 & 13) and a blue line was established to define the territorial limits of