Numbers 1:20

Modern King James Version

And the sons of Reuben, Israel's first-born son, by their generations, according to their families, by their fathers' house, according to the number of the names, by their heads, every male from twenty years old and upward, all that were able to go forth to war:

Cross References

1 Chronicles 5:1

And the sons of Reuben, the first-born of Israel (for he was the first-born; but since he defiled his father's bed, his birthright was given to the sons of Joseph the son of Israel, and the genealogy is not to be counted according to the birthright;

Genesis 46:9

And the sons of Reuben: Hanoch, and Phallu, and Hezron, and Carmi.

Genesis 29:32

And Leah conceived and bore a son. And she called his name Reuben, for she said, Surely Jehovah has looked upon my afflictions. Now therefore my husband will love me.

Numbers 1:21

those numbered of them, of the tribe of Reuben were forty-six thousand, five hundred.

Genesis 35:23

The sons of Leah: Reuben, Jacob's first-born, and Simeon, and Levi, and Judah, and Issachar, and Zebulun.