“You have distributed it to our brothers Banu Hashim and Banu Muttalib, but we are related to you (to Banu Hashim) in the same way (as Banu Muttalib).” The Messenger of Allah (ﷺ) said: “Rather I think that Banu Hashim and Banu Muttalib are the same.”*
Sunan Ibn Majah Book 24, Hadith 129