Complex sentence: On her travels she made contact with a Sufi order, the Qadiriyya, then led by Hussein ben Brahim, who was impresed with Isabella's knowedlge of and passion for Islam and initiated her int his zawiya without the usual formal examinations.
Split into simpler sentences: On her travels she made contact with a Sufi order, the Qadiriyya. The order was led by Hussein ben Brahim, who was so impresed with Isabella's knowedlge of and passion for Islam he initiated her into his zawiya without the usual formal examinations.