(1) باب مَا جَاءَ فِي إِجَابَةِ الدَّعْوَةِ
Ibn '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. (IT)
Reference (IT): Sunan Abi Dawud 3738 (IT)
In-book reference (IT): Book 28, Hadith 3 (IT)
English translation (IT): Book 27, Hadith 3729 (IT)