of whom it was said, "In Isaac your seed shall be called,"
Hebrews 11:18
Surrounding context
11:17 By faith Abraham, when he was tested, offered up Isaac, and he who had received the promises offered up his only begotten son,
11:18 of whom it was said, "In Isaac your seed shall be called,"
11:19 concluding that God was able to raise him up, even from the dead, from which he also received him in a figurative sense.