It was narrated from Aishah that:
she freed Barirah and the Messenger of Allah (ﷺ) gave her the choice, and she (Barirah) had a free husband. (RU)
English reference (RU): Vol. 3, Book 10, Hadith 2074 (RU)
Arabic reference (RU): Book 10, Hadith 2152 (RU)