Sahih al-Bukhari 5356
صحيح البخاري#5356SahihNarrated Abu Huraira:Allah's Messenger (ﷺ) said, "The best alms is that which you give when you are rich, and you should start first to support your dependants
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 69:6