“Whoever has intercourse with a Mahram relative, kill him; and whoever has intercourse with an animal, kill him, and kill the animal.”  

قَالَ رَسُولُ اللَّهِ ﷺ مَنْ وَقَعَ عَلَى ذَاتِ مَحْرَمٍ فَاقْتُلُوهُ وَمَنْ وَقَعَ عَلَى بَهِيمَةٍ فَاقْتُلُوهُ وَاقْتُلُوا الْبَهِيمَةَ