Complex sentence: The village of Al-Nabi Shayth is also known for predominantly being inhabited by people with the surname Al-Musawi, a large and widely known shiite family in the arab world that descends from the prophet Muhammad.
Split into simpler sentences: The village of Al-Nabi Shayth is also known for predominantly being inhabited by people with the surname Al-Musawi. A large and widely known shiite family in the arab world that descends from the prophet Muhammad.