 He followed and extended the teachings of Shadhili and under his leadership the Nasiriyya became the 'mother'zawiya' of Sufi islam in the Maghreb with several branches in different parts of the country, including the zawiya of Irazan in the Sous valley where 500 students were financed by the brotherhood.He was succeeded by his son Ahmad (1647–1717) who made six pilgrimages to Mecca and made each of these pilgrimages into a journey of several years.Sidi Ahmad bin Nasir traveled to Ethiopia, Arabia, Egypt, Iraq and Persia.