20 As for Ishmael, I have heard you, and I will surely bless him; I will make him fruitful and multiply him greatly. He will become the father of twelve rulers, and I will make him into a great nation.
Genesis 17:20 Cross References - MSB
Genesis 16:10-12
10 Then the angel added, “I will greatly multiply your offspring so that they will be too numerous to count.”
11 The angel of the LORD proceeded: “Behold, you have conceived and will bear a son. And you shall name him Ishmael, for the LORD has heard your cry of affliction.
12 He will be a wild donkey of a man, and his hand will be against everyone, and everyone’s hand against him; he will live in hostility toward all his brothers.”
Genesis 21:13
13 But I will also make a nation of the slave woman’s son, because he is your offspring.”
Genesis 21:18
18 Get up, lift up the boy, and take him by the hand, for I will make him into a great nation.”
Genesis 25:12-18
12 This is the account of Abraham’s son Ishmael, whom Hagar the Egyptian, Sarah’s maidservant, bore to Abraham.
13 These are the names of the sons of Ishmael in the order of their birth: Nebaioth the firstborn of Ishmael, then Kedar, Adbeel, Mibsam,
14 Mishma, Dumah, Massa,
15 Hadad, Tema, Jetur, Naphish, and Kedemah.
16 These were the sons of Ishmael, and these were their names by their villages and encampments—twelve princes of their tribes.
17 Ishmael lived a total of 137 years. Then he breathed his last and died, and was gathered to his people.
18 Ishmael’s descendants settled from Havilah to Shur, which is near the border of Egypt as you go toward Asshur. And they lived in hostility toward all their brothers.