Translation for 37:112

وَبَشَّرۡنَٰهُ بِإِسۡحَٰقَ نَبِيّٗا مِّنَ ٱلصَّٰلِحِينَ ١١٢
We ˹later˺ gave him good news of Isaac—a prophet, and one of the righteous.1

Foot notes

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 The birth of Isaac is announced after the story of sacrifice. So this is a proof that the son who was going to be sacrificed was Ishmael, not Isaac. This is also supported by 11:71, where Sarah is told that she would give birth to Isaac, who would (reach adulthood and) have a son by the name of Jacob.