Complex sentence: Sawda bint Zam'a was the first woman to immigrate to Abyssinia with her first husband As-Sakran bin Amr, after being persecuted by the polytheists of Mecca.
Split into simpler sentences: Sawda bint Zam'a had been the first woman to immigrate to Abyssinia. She migrated to Abyssinia with her first husband named As-Sakran bin Amr, after being persecuted by the polytheists of Mecca.