Complex sentence: The Blemmyes (Latin "Blemmyae") were a nomadic Nubian tribal Kingdom and existed from at least 600 BC through to the 8th Century AD, they were described in Roman histories of the later empire.
Split into simpler sentences: The Blemmyes (Latin "Blemmyae") were a nomadic Nubian tribal kingdom that existed from at least 600 BC to the 8th Century AD. They were described in Roman histories of the later empire.