Mary - 19:49 When he left them and those whom he served besides Allah, We gave him (Abraham) Isaac and Jacob. We made them all prophets.
When Prophet Abraham struggled with his idolatrous people and finally abandoned them, Prophet Isaac and Jacob were given as a reward.
The Prophets/21:69 "We said: "O Fire, be cool and safe for Abraham"."
The Prophets/21:70 So they tried to devise a plan for him, but We doomed them to failure.
The Prophets/21:71 And We delivered him and Lot to the land which We had made sacred for all mankind.
The Prophets/21:72 We gave him (Abraham) Isaac and Jacob as a reward, and We made them all righteous.

Those Who Set The Ranks/37:110 This is how We reward those who do good.
Those Who Set The Ranks/37:111 He was of Our servants who believed.
Those Who Set The Ranks/37:112 We gave him (Abraham) the glad tidings of Isaac, a prophet from among the righteous.