Did Umm Hakim, daughter of Al-Harith, wife of Ikrimah ibn Abi Jahl, kill seven?

Historical texts mention that Umm Hakim bint Al-Harith, the wife of Ikrimah ibn Abi Jahl, killed seven polytheists. It is stated in Al-Baladhuri's "Futuh al-Buldan" that after the martyrdom of her husband, Khalid ibn Sa'id ibn al-As, on the day of "Marj al-Safar," she took a tent pole and fought with it, and it is said that she killed seven men.