Sîrîn bint Sham'ûn was an Egyptian Coptic Christian who became one of Muhammad's slaves. She and her sister Maria al-Qibtiyya were sent to Muhammad as gifts from the Sassanid official Muqawqis in 628.[1] Muhammad married Maria and Sirin was married to his follower, the poet Hassan ibn Thabit. Hassan and Sirin had a son, 'Abd al-Rahman ibn Hassan.[2]