It wasnarrated from Salim that his father said:
"I saw the Prophet(ﷺ),Abu Bakr and 'Umar walking ahead of the funeral (procession)." (JA)
English reference (JA): Vol. 1, Book 6, Hadith 1482 (JA)
Arabic reference (JA): Book 6, Hadith 1549 (JA)