18:81
فَأَرَدْنَآ أَن يُبْدِلَهُمَا رَبُّهُمَا خَيْرًۭا مِّنْهُ زَكَوٰةًۭ وَأَقْرَبَ رُحْمًۭا ٨١
Saheeh International
So we intended that their Lord should substitute for them one better than him in purity and nearer to mercy.
Tafsir of "Ibn Kathir" (English)
So we intended that their Lord should exchange him for them for one better in righteousness and nearer to mercy.A child who was better than this one, a child for whom they would feel more compassion.This was the view of Ibn Jurayj