Genesis 25:16
These are the sons of Ishmael, and these are their names, by their villages, and by their encampments: twelve princes, according to their nations.
Genesis 17:20
As for Ishmael, I have heard you. Behold, I have blessed him, and will make him fruitful, and will multiply him exceedingly. He will become the father of twelve princes, and I will make him a great nation.
Genesis 17:23
Abraham took Ishmael his son, all who were born in his house, and all who were bought with his money; every male among the men of Abraham's house, and circumcised the flesh of their foreskin in the same day, as God had said to him.
Treasury of Scripture Knowledge
Summary
These are the sons of Ishmael, and these are their names, by their towns, and by their castles; twelve princes according to their nations.
Twelve
Bible References
Twelve
Genesis 17:20
As for Ishmael, I have heard you. Behold, I have blessed him, and will make him fruitful, and will multiply him exceedingly. He will become the father of twelve princes, and I will make him a great nation.