Sahih al-Bukhari 1467

Arabic

حَدَّثَنَا عُثْمَانُ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا عَبْدَةُ، عَنْ هِشَامٍ، عَنْ أَبِيهِ، عَنْ زَيْنَبَ ابْنَةِ أُمِّ سَلَمَةَ، ‏{‏عَنْ أُمِّ سَلَمَةَ،‏}‏ قَالَتْ قُلْتُ يَا رَسُولَ اللَّهِ أَلِيَ أَجْرٌ أَنْ أُنْفِقَ عَلَى بَنِي أَبِي سَلَمَةَ إِنَّمَا هُمْ بَنِيَّ‏.‏ فَقَالَ ‏ "‏ أَنْفِقِي عَلَيْهِمْ، فَلَكِ أَجْرُ مَا أَنْفَقْتِ عَلَيْهِمْ ‏"‏‏.‏

English translation

Narrated Zainab:(the daughter of Um Salama) My mother said, "O Allah's Messenger (ﷺ)! Shall I receive a reward if I spend for the sustenance of Abu Salama's offspring, and in fact they are also my sons?" The Prophet (ﷺ) replied, "Spend on them and you will get a reward for what you spend on them

Reference: Sahih al-Bukhari 1467, Book of Obligatory Charity Tax (Zakat). English translation by Dr. Muhammad Muhsin Khan.