It is sufficient sin for a man that he neglects him whom he maintains.
Sunan Abi Dawud Book 9, Hadith 137
← Previous Hadith The Prophet (ﷺ) commanded to give sadaqah. A man said: Messenger of Allah, I have a dinar. He said: Spend it on yourself. He again said: I have another. He said: Spend it on your children. He again said: I have another. He said: Spend it on your wife. He again said: I have another. He said: Spend it on your servant. He finally said: I have another. He replied: You know best (what to do with it).

Sunan Abi Dawud Book 9, Hadith 136 Next Hadith → Anyone who is pleased that his sustenance is expanded and his age extended should do kindness to his near relatives.

Sunan Abi Dawud Book 9, Hadith 138