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. (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  

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)   

سَمِعْتُ رَسُولَ اللهِ ﷺ يَقُولُ أَبَرُّ الْبِرِّ صِلَةُ الْمَرْءِ أَهْلَ وُدِّ أَبِيهِ بَعْدَ إِذْ يُوَلِّي  

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»  

Ibn 'Umar reported that the Messenger of Allah, may Allah bless him and grant him peace, said, "The strongest form of dutifulness is when a man maintains relations with the people his father loved."  

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

"إِنَّ أبَّر البِرِّ أن يَصِلَ الرَّجُلُ أهلَ وُدِّ أبِيهِ بعدَ أن يُولِّى الأَبُ ".