It is narrated from Sayyiduna Imran bin Husayn (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "Indeed, your brother has died, so stand and offer the funeral prayer for him." So we stood and prayed over him.
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 15553