Concise Quran Commentary
And I gave him glad tidings of another son who would become a Prophet and a pious servant: he was Isaac. It was another reward for his obedience to Allah by resolving to slaughter his only son, Ishmael.
Tafsir for this Ayah
Surah 37 : Ayah 112
Surah 37 : Ayah 112
وَبَشَّرْنَـٰهُ بِإِسْحَـٰقَ نَبِيًّا مِّنَ ٱلصَّـٰلِحِينَ
And We gave him the glad tidings of Isaac[25], a prophet, and one of the righteous.