What was the relationship between Isaac and Jacob?
Isaac was the father of Jacob. Old and blind, he blessed him thinking he was Esau. Genesis 25:26; Genesis 27:1, 23
What the Bible says
Genesis 27:22
He came near to his father, and when he had felt him, Isaac said: The voice indeed is the voice of Jacob; but the hands are the hands of Esau.
Douay-Rheims Bible (Challoner revision), public domain.
Did you know?
Before sending him to Mesopotamia, Isaac blessed Jacob again, now knowing who he was. Genesis 28:1-4