(16) باب بِمَنْ يُبْدَأُ بِالْهَدِيَّةِ
Narrated Maimuna, the wife of the Prophet (ﷺ) that she manumitted her slave-girl and the Prophet (ﷺ) said to her, "You would have got more reward if you had given the slave-girl to one of your maternal uncles."
Reference: Sahih al-Bukhari 2594
In-book reference: Book 51, Hadith 28
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 47, Hadith 767