Prophetic lineage and inheritance of character

وَبَـٰرَكْنَا عَلَيْهِ وَعَلَىٰٓ إِسْحَـٰقَ ۚ وَمِن ذُرِّيَّتِهِمَا مُحْسِنٌ وَظَالِمٌ لِّنَفْسِهِۦ مُبِينٌ

And We blessed him and Isaac. But among their descendants is the doer of good and the clearly unjust to himself [i.e., sinner].