Narrated Anas:
that the Messenger of Allah (ﷺ) said: "O Allah forgive the Ansar and the children of the Ansar, and the children of the children of the Ansar, and the women of the Ansar." (JA)
English reference (JA): Vol. 1, Book 46, Hadith 3909 (JA)
Arabic reference (JA): Book 49, Hadith 4287 (JA)