Complex sentence: Shaykh Sidy Mokhtar Mbacké, the current leader of the Mourides, is the seventh Caliph of Mouridism and is the second to not be a son of Ahmadu Bamba Mbacké.
Split into simpler sentences: Shaykh Sidy Mokhtar Mbacké is the current leader of the Mourides. He is the seventh Caliph of Mouridism and is the second caliph to not be a son of Ahmadu Bamba Mbacké.