Genesis 45:28

(28) And Israel said.—We must not lay too much stress upon this change of name, as though it were a title appropriate to the patriarch only in his happier and triumphant hours; for in Genesis 45:6 it-is given him in the midst of his distress. It rather shows that the names were long both in use as regards the patriarch personally, but as the title of Israel was alone given to Jacob’s family, it is plain that a high significance was attached to it, and that the inheritance of the Abrahamic promises was at an early date connected therewith.