Musannaf Ibn Abi Shaybah 12052 — Reports on what is said when

Abu Mudrik al-Ashja'i said that when the deceased was placed in his grave, Sayyiduna Umar (may Allah be pleased with him) would say, and Abu al-Ahwas said (in his narration): when the earth had been levelled over him, he would say: 'Allahumma aslamahu ilayka al-malu wa al-ahlu wa al-'ashiratu wa al-dhanbu 'azim, faghfir lahu' (O Allah, his wealth, his family and his kinsfolk have surrendered him to You, and the sin is great, so forgive him).