the Merits of the Companionsكتاب فضائل الصحابة رضى الله تعالى عنهم
Anas reported that Allah's Messenger (ﷺ) sought forgiveness for the Ansar and he said:I think (he also sought forgiveness) for the children of the Ansar and the slaves and the freed men of the Ansar. I have no doubt about it