Surah At-Tur 52:21

وَٱلَّذِينَ ءَامَنُوا۟ وَٱتَّبَعَتْهُمْ ذُرِّيَّتُهُم بِإِيمَـٰنٍ أَلْحَقْنَا بِهِمْ ذُرِّيَّتَهُمْ وَمَآ أَلَتْنَـٰهُم مِّنْ عَمَلِهِم مِّن شَىْءٍ ۚ كُلُّ ٱمْرِئٍۭ بِمَا كَسَبَ رَهِينٌ

And those who believed and whose descendants followed them in faith - We will join with them their descendants, and We will not deprive them of anything of their deeds. Every person, for what he earned, is retained.

Translation: Saheeh International

Tafsir

And those who believed wa’lladhīna āmanū the subject and whom We made to be followed wa-atba‘nāhum a variant reading has wa’ttaba‘athum ‘and there followed them’ as a supplement to āmanū ‘who believed’ by their descendants dhurrīyātihim a variant reading for this plural has dhurrīyatuhum young and old in faith on the …

Excerpt from Tafsir al-Jalalayn, commentary on 52:21, via Quran.com. The reader has the full commentary and 9 more tafsirs.