(28) بَابُ صِلَةِ الرَّحِمِ تَزِيدُ فِي الْعُمْرِ
Anas ibn Malik reported that the Messenger of Allah, may Allah blesshim and grant him peace, said, "Anyone who wants to have his provision expandedand his term of life prolonged should maintain ties of kinship."
Reference: Al-Adab Al-Mufrad 56
In-book reference: Book 2, Hadith 10
English translation: Book 2, Hadith 56