Clarifying that whoever died upon disbelief then he is in the Fire, and no intercession or relationship with those who are close to Allah will be of any avail for him

Sahih Muslim · Book 1 · Hadith 203

حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا عَفَّانُ، حَدَّثَنَا حَمَّادُ بْنُ سَلَمَةَ، عَنْ ثَابِتٍ، عَنْ أَنَسٍ، أَنَّ رَجُلاً، قَالَ يَا رَسُولَ اللَّهِ أَيْنَ أَبِي قَالَ ‏"‏ فِي النَّارِ ‏"‏ ‏.‏ فَلَمَّا قَفَّى دَعَاهُ فَقَالَ ‏"‏ إِنَّ أَبِي وَأَبَاكَ فِي النَّارِ ‏"‏ ‏.‏

Anas reported: Verily, a person said: Messenger of Allah, where is my father? He said: (He) is in the Fire. When he turned away, he (the Holy Prophet) called him and said: Verily my father and your father are in the Fire…