that the Prophet (ﷺ) said: "Al-'Abbas is the uncle of the Messenger of Allah (ﷺ), and indeed, the uncle of a man is the Sinw of his father or from the Sinw of his father."
Jami` at-Tirmidhi Book 49, Hadith 160
← Previous Hadith that concerning Al-'Abbas, the Prophet (ﷺ) said to 'Umar: "Indeed, the uncle of a man is the Sinw of his father." And 'Umar had spoken to him concerning his charity.

Jami` at-Tirmidhi Book 49, Hadith 159 Next Hadith → "The Messenger of Allah (ﷺ) said to Al-'Abbas: 'On the night of Monday, come to me, you and your offspring, so that I may supplicate for them with a supplication that Allah will benefit you and your children by.' So he went, and we went with at night, so he (ﷺ) covered us in a Kisah (shawl), then said: 'O Allah, forgive Al-'Abbas and his offspring, for what is open and what is secret, with a forgiveness that does not leave any sins. O Allah! Take care of him concerning the affair of his offspring.'"

Jami` at-Tirmidhi Book 49, Hadith 161