Genesis: The Son of Promise

As we come to the end of Abraham’s life, the account of his death and burial is in between two “rejected genealogies”. The genealogy of Keturah’s sons and Ishmael. Twice we will be reminded that Isaac is the one blessed by God, who will inherit the covenant promises. The natural questions are, what is the purpose of mentioning these “rejected genealogies”? What makes Isaac so special? What is the Lord revealing about Himself?