Sunan Ibn Majah, 2607

It was narrated that Bara bin Azib said:“My maternal uncle passed by me - (one of the narrators) Hushaim named him in his narration as Harith bin Amr - and the Prophet (ﷺ) had given him a banner to carry. I said to him: 'Where are you going?’ He said: 'The Messenger of Allah (ﷺ) has sent me to a man who married his father's wife after he died, and has commanded me to strike his neck (i.e. execute him).”

Rapporté par Bara bin Azib : Mon oncle maternel est passé près de moi – (un des rapporteurs, Hushaim, l’a nommé dans sa narration comme Harith bin Amr) – et le Prophète (ﷺ) lui avait donné une bannière à porter. Je lui ai demandé : “Où vas-tu ?” Il a répondu : “Le Messager d’Allah (ﷺ) m’a envoyé vers un homme qui a épousé la femme de son père après sa mort, et il m’a ordonné de le mettre à mort (l’exécuter).”