Hebrews 11:18

18 Of whom it was said, That in Isaac shall thy seed be called:

Hebrews 11:18 In-Context

16 But now they desire a better country, that is, an heavenly: wherefore God is not ashamed to be called their God: for he hath prepared for them a city.
17 By faith Abraham, when he was tried, offered up Isaac: and he that had received the promises offered up his only begotten son,
18 Of whom it was said, That in Isaac shall thy seed be called:
19 Accounting that God was able to raise him up, even from the dead; from whence also he received him in a figure.
20 By faith Isaac blessed Jacob and Esau concerning things to come.
The King James Version is in the public domain.