A brother of yours has died; so stand up and offer prayer for him, i. e. Negus. And in the hadith transmitted by Zubair (the words are):" Your brother."
Sahih Muslim Book 11, Hadith 88
← Previous Hadith A brother of yours has died, so stand up and offer prayer over him. So we stood up and drew ourselves up into two rows.

Sahih Muslim Book 11, Hadith 87 Next Hadith → I said to Sha'bi: Who narrated it to you? He said: An authentic one, 'Abdullah b. 'Abbas. This is the word of a hasan hadith. In the narration of Ibn Numair (the words are): The Messenger of Allah (ﷺ) went to the grave which had been newly prepared and prayed over it, and they also prayed who were behind him and he recited four takbirs. I said to 'Amir: Who narrated it to you? He said: An authentic one who saw him, i e. Ibn 'Abbas.

Sahih Muslim Book 11, Hadith 89