Hebrews 11:18KJV

16But now they desire a better , that is, an heavenly: wherefore God is not ashamed to be called their God: for he hath prepared for them a city.

17By faith Abraham, when he was tried, offered up Isaac: and he that had received the promises offered up his only begotten ,

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

19Accounting that God able to raise up, even from the dead; from whence also he received him in a figure.

20By faith Isaac blessed Jacob and Esau concerning things to come.