Sunan Abi Dawud 2252
سنن أبي داود#2252SahihThe tradition mentioned above has also been transmitted by Sahl bin Sa’d through a different chain of narrators. This version has “She was pregnant, he denied pregnancy from him. So her son was attributed to her. In the law of succession the practice (sunnah) was established that the son gets a share in the inheritance of his mother and the mother gets the share in the inheritance of her son according to the shares prescribed by Allaah the Exalted
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 Bukhari (6746)
In-book reference: 13:78