Complex sentence: Pausanias VII, 1.7 The Ionians moved to Attica and mingled with the local population of Attica, and many later emigrated to the coast of Asia Minor founding the historical region of Ionia.
Split into simpler sentences: Pausanias VII, 1.7 The Ionians moved to Attica and mingled with the local population. Later, many people emigrated to the coast of Asia Minor founding the historical region of Ionia.