Sunan Abi Dawud 3738
سنن أبي داود#3738SahihIbn ‘Umar reported the Messenger of Allah(ﷺ) as saying:if one of you invites his brother, he should accept(the invitation), whether it is a wedding feast or something of that nature
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Zubair Ali ZaiSahih Muslim (1429)
In-book reference: 28:3