The Offspring of Righteous Believers will be elevated to Their Grades in Paradise

In this Ayah, Allah the Exalted affirms His favor, generosity, graciousness, compassion and beneficence towards His creation. When the offspring of the righteous believers imitate their parents regarding faith, Allah will elevate the latter to the ranks of the former, even though the latter did not perform deeds as goodly as their parents. Allah will comfort the eyes of the parents by seeing their offspring elevated to their grades. Surely, Allah will gather them together in the best manner, and He will not decrease the reward or the grades of those higher in rank for joining them together, hence His statement,

أَلْحَقْنَا بِهِمْ ذُرِّيَّتَهُمْ وَمَآ أَلَتْنَـهُمْ مِّنْ عَمَلِهِم مِّن شَىْءٍ

The Believing Children of the Righteous will benefit from their relationship with their Believing Parents in Paradise

وَالَّذِينَ آمَنُوا وَاتَّبَعَتْهُمْ ذُرِّ‌يَّتُهُم بِإِيمَانٍ أَلْحَقْنَا بِهِمْ ذُرِّ‌يَّتَهُمْ (And those who believed and their children followed them in belief, We will join their children with them,... 52:21) Sayyidna Ibn 'Abbas ؓ reports from the Holy Prophet ﷺ who said: