[Machine] The Messenger of Allah ﷺ once performed ablution without realizing it, and I poured water from my ablution water onto him. He then became conscious and I asked him, "Will I inherit from you as a son-in-law, and how will the inheritance be?" Then the verse of obligatory inheritance was revealed [to resolve this question].  

أَنَّ رَسُولَ اللهِ ﷺ عَادَهُ وَهُوَ لَا يَعْقِلُ فَتَوَضَّأَ فَصَبَّ عَلَيْهِ مِنْ وَضُوئِهِ فَعَقِلَ فَقُلْتُ «يَرِثُنِي كَلَالَةً فَكَيْفَ الْمِيرَاثُ؟ فَنَزَلَتْ آيَةُ الْفَرْضِ»