 Amadou Bamba was buried in 1927 at the great mosque in Touba, the holy city of Mouridism and the heart of the Mouride movement.After his death Bamba has been succeeded by his descendants as hereditary leaders of the brotherhood with absolute authority over the followers.The "caliph" (leader) of the Mouride brotherhood is known as the "Grand Marabout" and has his seat in Touba.