Genesis 25:16
These [are] the sons of Ishmael, and these [are] their names by their villages and by their encampments--12 leaders according to their tribes.
Genesis 17:20
And [as for] Ishmael, I have heard you. Behold, I will bless him and I will make him fruitful, and I will multiply him {exceedingly}. He shall father twelve princes, and I will make him a great nation.
Genesis 17:23
And Abraham took Ishmael his son and all who were born of his house, and all [those] acquired by his money, every male among the men of Abraham's house, and he circumcised the flesh of their foreskin on the same day that God spoke with 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
And [as for] Ishmael, I have heard you. Behold, I will bless him and I will make him fruitful, and I will multiply him {exceedingly}. He shall father twelve princes, and I will make him a great nation.