Did you know the things alike in Abraham's family, before the fulfillment of God's promise for him to increase him and make him a great nation.
Abraham and his sons Isaac and Jacob married from their family :
Abraham married Sarah, his father's daughter. "Besides, she really is my sister, the daughter of my father though not of my mother; and she became my wife." Gen 20:21
Isaac married Rebecah the daughter of his Uncle Nahor. "And it came to pass, before he had done speaking, that, behold, Rebekah came out, who was born to Bethuel, son of Milcah, the wife of Nahor, Abraham's brother, with her pitcher upon her shoulder." Gen 24:15
Jacob married Leah and Rachael the daughters of this mother's brother, Leban. "Now Rebekah had a brother named Laban, and he hurried out to the man at the spring." Gen 24:29. This same Leban his the one that Jacob served for fourteen years before he married his two daughters "So Jacob went in to Rachel also, and he loved Rachel more than Leah, and served Laban for another seven years."

Secondly, Their wives are called BARREN before they could conceive :
Sarah was called barren before she conceived at her old age "But Sarah was barren; she had no child." Gen 11:30.
Rebecah was called barren before Isaac intreated the Lord ":And Isaac prayed to the Lord for his wife, because she was barren. And the Lord granted his prayer, and Rebekah his wife conceived." Gen 25:21.
Rachael the second wife of Jacob was also called a barren "And when the Lord saw that Leah was hated, he opened her womb: but Rachel was barren." Gen 29:31.

Did you know what the statement in the book of Ezekiel 18:2 means? “What do you mean by repeating this proverb concerning the land of Israel, ‘The fathers have eaten sour grapes, and the children's teeth are set on edge’?
Many said it is revenge, but according to the proper structure of the English language it means vengeance
Did you know those who ate the sir grape in Israel that set their children's teeth on edge?
Many people will answer the question to be Adam. They will explicate that it was Adam and Eve our forefathers who ate the forbidden fruit w that set we the children's teeth on edge. But it's not so, because there's nothing like Israel and Babel had not been created when they ate the fruit. "That is why it was called Babel—because there the Lord confused the language of the whole world. From there the Lord scattered them over the face of the whole earth." Gen 11:9.
Those who ate the sour grapes in Israel are: Ahab and mainly David and there are two things similar to the both: Their post and crime. They are both Kings, a king that ruled over Israel for years. Secondly committed similar crime; they forcefully took the lowly possession together with his life to cover up misdeed.
King Ahab
"Then the word of the Lord came to Elijah the Tishbite, saying,Arise, go down to meet Ahab king of Israel, who is in Samaria; behold, he is in the vineyard of Naboth, where he has gone to take possession." 1 King 21:17-18. That was the sour grapes king Ahab ate. He forcefully took Naboth’s inheritance (vineyard) from him. Prophet Elijah meets him and told him the repercussion of what he has done "He says, ‘I am going to bring disaster on you. I will wipe out your descendants and cut off from Ahab every last male in Israel—slave or free." 1 King 21:21
How the children's teeth are affected
1 king 21:27-29 "And when Ahab heard those words, he tore his clothes and put sackcloth on his flesh and fasted and lay in sackcloth and went about dejectedly. And the word of the Lord came to Elijah the Tishbite, saying 'have you seen how Ahab has humbled himself before me? Because he has humbled himself before me, I will not bring the disaster in his days; but in his son's days I will bring the disaster upon his house" and this came to fulfillment during the reign of Jehu "Now there were in Samaria seventy sons of the house of Ahab. So Jehu wrote letters and sent them to Samaria: to the officials of Jezreel, to the elders and to the guardians of Ahab’s children ----- When the letter arrived, these men took the princes and slaughtered all seventy of them. They put their heads in baskets and sent them to Jehu in Jezreel." 2 King 10: 1-7.
King David
"And David sent and inquired about the woman. And one said, “Is not this Bathsheba, the daughter of Eliam, the wife of Uriah the Hittite?” So David sent messengers and took her, and she came to him, and he lay with her. (Now she had been purifying herself from her uncleanness.) Then she returned to her house. And the woman conceived, and she sent and told David, “I am pregnant.” 2 Sam 11:3-5. That was the sour grape King David ate, he forcefully to Uriah's wife. David called her husband from the battle trying to cover up his misdeed. After Uriah's arrival he sent him to go home, but Uriah was a faithful and loyal subject Uriah said to David, “The ark and Israel and Judah are staying in tents, and my commander Joab and my lord’s men are camped in the open country. How could I go to my house to eat and drink and make love to my wife? As surely as you live, I will not do such a thing!” 2 Sam 11:11. Then finally David thought of a way to settle things and to cover up his sin "In the morning David wrote a letter to Joab and sent it by the hand of Uriah. In the letter he wrote, “Set Uriah in the forefront of the hardest fighting, and then draw back from him, that he may be struck down, and die.” 2Sam 11:14-15.
How the children's teeth are set on edge
2 Sam 12: 10'13 "Now therefore the sword shall never depart from your house, because you have despised me and have taken the wife of Uriah the Hittite to be your wife." 2 Sam 12:10.