The Book of Emancipating Slaves
20/3. Chapter:
Al-Wala' (Right of inheritance) belongs to the one who manumits the slave
Sahih Muslim
وَحَدَّثَنَاهُ أَحْمَدُ بْنُ عُثْمَانَ النَّوْفَلِيُّ، حَدَّثَنَا أَبُو دَاوُدَ، حَدَّثَنَا شُعْبَةُ، بِهَذَا الإِسْنَادِ نَحْوَهُ .
This hadith has been narrated on the authority of Shu'ba with the same chain of transmitters.
Reference : Sahih Muslim 1504iIn-book reference : Book 20, Hadith 15USC-MSA web (English) reference : Book 9, Hadith 3592