It is narrated from Sayyiduna Jabir bin Abdullah (may Allah be pleased with him) that when news of the Negus's death reached the Messenger of Allah (peace and blessings be upon him), he (peace and blessings be upon him) said: "Pray the funeral prayer over your brother who has died in a land other than yours." Then the Messenger of Allah (peace and blessings be upon him) prayed the funeral prayer over him, and we formed rows. Sayyiduna Jabir (may Allah be pleased with him) said: I was in the second or third row, and the name of the Negus was Ashamah.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الجنائز / 7028