It wasnarrated from 'Imran bin Husain:
"The Messenger of Allah (ﷺ)said: 'Your brother Najashi has died, so offer the funeral prayerforhim." Then he stood and we prayed behind him. I was in thesecond rowand two rows prayed for him." (FR)
English reference (FR): Vol. 1, Book 6, Hadith 1535 (FR)
Arabic reference (FR): Book 6, Hadith 1602 (FR)