Yusuf bin Ahmad al-Kawneyn is known for establishing the Walashma dynasty of the Horn of Africa.[11] This famous Shaykh was born in the city of Zeila, a Somali city well known for its history, and also for its spreading of the Islamic faith throughout Africa and Asia. in Zeila, the oldest mosque in Africa is found, Masjid al-Qiblatayn (Somalia), built during the time of the Prophet Muhammad. After the Shaykh's conversion of the population of Dogor (now known as Aw Barkhadle, named after him), a town in Somalia.