Complex sentence: Historically, Unaizah was an important stopping point for Muslim pilgrims coming from Mesopotamia (now Iraq) and Persia (now Iran) on their way to Makkah, which was controlled by the Al Juffali Family of The Ruling Dynasty Bani Khaled.
Split into simpler sentences: Historically, Unaizah was an important stopping point for Muslim pilgrims coming from Mesopotamia (now Iraq) and Persia (now Iran) on their way to Makkah. This pilgrimage was controlled by the Al Juffali Family of The Ruling Dynasty Bani Khaled.