(1) باب فَضْلِ النَّفَقَةِ عَلَى الأَهْلِ
Narrated Abu Mas`ud Al-Ansari:
The Prophet (ﷺ) said, "When a Muslim spends something on his family intending to receive Allah's reward it is regarded as Sadaqa for him."
Reference: Sahih al-Bukhari 5351
In-book reference: Book 69, Hadith 1
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 7, Book 64, Hadith 263