Complex sentence: However, some say that she was Khaizaran, a girl from the Byzantine Empire, and some others believe she was of the household of Maria al-Qibtiyya who was the slave mother of Muhammad's little son Ibrahim.
Split into simpler sentences: However, some say that she was Khaizaran, a girl from the Byzantine Empire. Others believe she belonged to the household of Maria al-Qibtiyya, who was the slave mother of Muhammad's young son Ibrahim.