Urwa ibn al-Zubayr عروة بن الزبير · The Book of Manumission of Slaves

The Messenger of Allah (ﷺ) said to us: If one of you has a slave, and he enters into an agreement to purchase his freedom, and can pay the full price, she must veil herself from him.

Return to your people ; if you like that I make payment for the purchase of your freedom on your behalf and I shall have the right to inherit from you, I shall do so. Barirah mentioned it to her people, but they refused and said: If she wants to purchase your freedom for reward from Allah, she may do so, but the right to inherit from her shall be ours. She mentioned it to the Messenger of Allah (ﷺ).…

Barirah came seeking my help to purchase her freedom. She said: I have arranged with my people to buy my freedom for nine 'uqiyahs: one to be paid annually. So help me. She ('Aishah) said: If your people are willing that I should count them ('uqiyahs) out to them all at one time and set you free and that I shall have the right to inherit from you, I shall do so. She then went to her people. The narrator…