﴿ فَإِذَا نُفِخَ فِى ٱلصُّورِ فَلَآ أَنسَابَ بَيْنَهُمْ يَوْمَئِذٍۢ وَلَا يَتَسَآءَلُونَ ﴾

“Then, when the trumpet [of resurrection] is blown, no ties of kinship will on that Day prevail among them, and neither will they ask about one another.”

Please check ayah 23:104 for complete tafsir.