"My maternal uncle Abu Burdah Ibn Niyar passed by me and he had a flag with him. I said: 'Where are you going ?' He said: 'the Messenger of Allah ﷺ dispatched me to a man who married a woman his father had married to: that I should bring him his head."  

بَعَثَنِي رَسُولُ اللَّهِ ﷺ إِلَى رَجُلٍ تَزَوَّجَ امْرَأَةَ أَبِيهِ أَنْ آتِيَهُ بِرَأْسِهِ قَالَ وَفِي الْبَابِ عَنْ قُرَّةَ الْمُزَنِيِّ