Genesis 25 “Abraham, Isaac and Jacob”

Abraham passes from the scene, being one of the most important men of the Bible. Thirteen chapters in Genesis, he is mentioned 70 times in the New Testament alone.
– First, he was called on to separate himself from his family; Genesis12:1.
– Second, he was called on to give up Lot; Genesis 13:1-18.
– Third…
Jacob knew that the birthright was valuable and he wanted it. The son of the birthright received a double portion of the inheritance, and he also became the head of the family and the spiritual leader upon the passing of the father.
Was this unfair of Jacob?