Isaac had to plead (deep and persistent intercession) with the LORD.
Isaac had to plead with the LORD. After Sarah’s death, Abraham married Keturah [Genesis 25:1]. Through her, he had six more sons. Then there was Isaac (born to Sarah) and Ishmael (born to Hagar). Therefore, Abraham fathered eight sons. However, only Isaac was the child of the covenant promise. This is why Abraham gave all that he had to Isaac. Isaac became the legal heir of Abraham’s possessions, his wealth, flocks, and authority, so that, the covenant blessing would continue through Isaac [Genesis 17:19–21]. Therefore, Isaac received, the covenant promises of God, the blessing of the land of Canaan, and the lineage through which the Messiah would come. And Abraham gave all that he had to Isaac. 6 But Abraham gave gifts to the sons of the concubines which Abraham had; and while he was still living he sent them eastward, away from Isaac his son, to the country of the east (Genesis 25:5-6). Nonetheless, Abraham still cared for His other sons, he gave them gifts and sent them eastwa...