This text forms a chiasm, the first half mirroring the second half.

A            Esau marries Canaanites; rebellion (26:34-35)

B            Isaac calls Esau and sends him off for the blessing (27:1-4)

C            Rebekah schemes for Jacob, who obeys her voice (27:5-17)

D            Jacob approaches Isaac and obtains the blessing (27:18-29)

D’            Esau approaches Isaac and obtains a non-blessing (27:30-40)

C’            Rebekah schemes for Jacob, who obeys her voice (27:41-45)

B’            Isaac calls Jacob and sends him off with the blessing (27:46-28:5)

A’            Esau marries an Ishmaelite; attempted repentance (28:6—9)