Of the children of Benjamin, by their generations, after their families, by the house of their fathers, according to the number of the names, from twenty years old and upward, all that were able to go forth to war;
Genesis 35:16-18
16
And they journeyed from Bethel; and there was but a little way to come to Ephrath: and Rachel travailed, and she had hard labour.
17
And it came to pass, when she was in hard labour, that the midwife said unto her, Fear not; thou shalt have this son also.
18
And it came to pass, as her soul was in departing, (for she died) that she called his name Benoni: but his father called him Benjamin.
Genesis 44:20
And we said unto my lord, We have a father, an old man, and a child of his old age, a little one; and his brother is dead, and he alone is left of his mother, and his father loveth him.
Genesis 46:21
And the sons of Benjamin were Belah, and Becher, and Ashbel, Gera, and Naaman, Ehi, and Rosh, Muppim, and Huppim, and Ard.
Genesis 49:27
Benjamin shall ravin as a wolf: in the morning he shall devour the prey, and at night he shall divide the spoil.