(4) باب فَضْلِ صِلَةِ أَصْدِقَاءِ الأَبِ وَالأُمِّ وَنَحْوِهِمَا
'Abdullah b. Umar reported Allah's Apostle (ﷺ) as saying:
The finest act of goodness is that a person should treat kindly the loved ones of his father.
Reference: Sahih Muslim 2552 b
In-book reference: Book 45, Hadith 14
USC-MSA web (English) reference(deprecated numbering scheme): Book 32, Hadith 6193