﴿ وَوَهَبْنَا لَهُۥٓ إِسْحَٰقَ وَيَعْقُوبَ نَافِلَةًۭ ۖ وَكُلًّۭا جَعَلْنَا صَٰلِحِينَ ﴾

“And We bestowed upon him Isaac and [Isaacs son] Jacob as an additional gift and caused all of them to be righteous men,”

Please check ayah 21:75 for complete tafsir.