ESV — Hebrews 11:18; Genesis 21:12; Galatians 3:29

18 of whom it was said, k“Through Isaac shall your offspring be named.”

12 But God said to Abraham, “Be not displeased because of the boy and because of your slave woman. Whatever Sarah says to you, do as she tells you, for xthrough Isaac shall your offspring be named.

29 And aif you are Christ's, then you are Abraham's offspring, bheirs according to promise.