Complex sentence: The Huwala are much different from the Sunni Persians who also have migrated from their "Original" Homeland "Persia" to Arabia, except that the two ethnicity share the same Islamic Sunni faith.
Split into simpler sentences: The Huwala are much different from the Sunni Persians who also have migrated from their "Original" Homeland "Persia" to Arabia. Except that the two ethnicity share the same Islamic Sunni faith.