The finest act of goodness is that a person should treat kindly the loved ones of his father.  

أَنَّ النَّبِيِّ ﷺ قَالَ أَبَرُّ الْبِرِّ أَنْ يَصِلَ الرَّجُلُ وُدَّ أَبِيهِ  

One of the finest acts of kindness is for a man to treat his father’s friends in a kindly way after he has departed.  

قَالَ رَسُولُ اللَّهِ ﷺ إِنَّ أَبَرَّ الْبِرِّ صِلَةُ الْمَرْءِ أَهْلَ وُدِّ أَبِيهِ بَعْدَ أَنْ يُوَلِّيَ  

the Prophet said: "Among the most dutiful of deeds is that a man nurture relations with the people his father was friends with."  

سَمِعْتُ رَسُولَ اللَّهِ ﷺ يَقُولُ إِنَّ أَبَرَّ الْبِرِّ أَنْ يَصِلَ الرَّجُلُ أَهْلَ وُدِّ أَبِيهِ قَالَ وَفِي الْبَابِ عَنْ أَبِي أَسِيدٍ  

One of the finest acts of kindness is for a man to treat his father’s friends in a kindly way after he has departed. (Using translation from Abū Dāʾūd 5143)  

أَنَّهُ قَالَ قَالَ رَسُولُ اللهِ ﷺ إِنَّ أَبَرَّ الْبِرِّ صِلَةُ الْمَرْءِ أَهْلَ وُدِّ أَبِيهِ بَعْدَ أَنْ يُوَلِّيَ  

[Machine] From the Messenger of Allahﷺ that he said: "Indeed, the best form of righteousness is for a man to maintain good relations with the loved ones of his father."  

عَنْ رَسُولِ اللهِ ﷺ أَنَّهُ قَالَ إِنَّ أَبَرَّ الْبِرِّ أَنْ يَصِلَ الرَّجُلُ أَهْلَ وُدِّ أَبِيهِ  

the Prophet said: "Among the most dutiful of deeds is that a man nurture relations with the people his father was friends with." (Using translation from Tirmidhī 1903)   

سَمِعْتُ رَسُولَ اللَّهِ ﷺ يَقُولُ «إِنَّ أَبَرَّ الْبِرِّ أَنْ يَصِلَ الرَّجُلُ أَهْلَ وُدِّ أَبِيهِ»  

[Machine] The Messenger of Allah (peace and blessings be upon him) said: "The best righteousness is that a person maintains ties with his family even after they have cut off relations with him."  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ «إِنَّ أَبَرَّ الْبِرِّ أَنْ يَصِلَ الرَّجُلُ أَهْلَ وُدِّ أَبِيهِ بَعْدَ أَنْ يُوَلِّيَ»