(130) باب فِي بِرِّ الْوَالِدَيْنِ
Kulaib b. Manfa'ah said that his grandfather told then he went to the Prophet (ﷺ) and said:
Messenger of Allah! to whom should I show kindness? He said: Your mother, your sister, your brother and the slave whom you set free and who is your relative, a due binding (on you), and a tie of relationship which should be joined.
Reference: Sunan Abi Dawud 5140
In-book reference: Book 43, Hadith 368
English translation: Book 42, Hadith 5121