Sunan An-Nasa'i

Yahya bin Abi Bukair Al-Karmani said:""Shu'bah narrated to us, from 'Abdur-Rahman bin Al-Qasim, from his father, from 'Aishah. He (Shu'bah) said: ""And he ('Abdur-Rahman) was the executor for his father."" He (Shu'bah) said: ""I was afraid to say to him: 'Did you hear this from your father.'"" -- 'Aishah said: ""I asked the Messenger of Allah about Barirah, as I wanted to buy her but it was stipulated that the Wala' would go to her (former) masters. He said: 'Buy her, for the Wala' is to the one who sets the slave free.' And she was given the choice, as her husband was a slave."" Then he said, after that: ""I do not know."" --""And some meat was brought to the Messenger of Allah and they said: 'This is some of that which was given in charity to Barirah.' He said: 'It is charity for her and a gift for us