Sunan Abi Dawud 3941
سنن أبي داود#3941SahihThe tradition mentioned above has also been transmitted by Ibn 'Umar to the same effect through a different chain of narrators. Nafi' sometimes said:He will be emancipated to the extent of the share which he emancipated, and sometimes he did not say these words
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Muslim (1501)
In-book reference: 31:16