Sura 23 Al-Mu'minun (The Believers), aya 101

1. فَإِذَا نُفِخَ فِي الصُّورِ فَلَا أَنْسَابَ بَيْنَهُمْ يَوْمَئِذٍ وَلَا يَتَسَاءَلُونَ

   So when the Horn is blown, no relationship will there be among them that Day, nor will they ask about one another.

   23:101

Tafsiri: Saheeh International