What is the name of the female Companion, the distinguished poetess, who was the wife of Hisham ibn al-Mughirah in the pre-Islamic era, and then embraced Islam?

Ibn Hajar, Ibn Abd al-Barr, and Ibn Sa'd considered Duba'a bint 'Amir to be among the female Companions. They mentioned that she was the wife of Hisham ibn al-Mughirah and the mother of his son Salamah ibn Hisham, one of the oppressed in Mecca.