Complex sentence: Oromo Laurie Bauer, 2007, "The Linguistics Student's Handbook", Edinburgh is the most widely spoken language in the Cushitic family, and the most populous language of Ethiopia.
Split into simpler sentences: Oromo Laurie Bauer, 2007, "The Linguistics Student's Handbook", Edinburgh is an Afro-Asiatic language. It is the most widely spoken tongue in the family's Cushitic branch, and the most populous language of Ethiopia.