Pictured is The Chamber of Lalla Mas`dua through the doorway from the southern chamber of the eastern mausoleum of the Saadian Tombs. The Chamber of Lalla Mas`dua contains the tomb of Muhammad al-Sheikh, the founder of the Saadian dynasty. Lalla Mas`dua was his concubine and the mother of Ahmad al-Mansur, Moulay Abdallah and possibly Sultan Abd al-Malik.