Numbers 1:20

Israeli Authorized Version

And the children of Reuven, Yisrael's eldest son, by their generations, after their families, by the house of their fathers, according to the number of the names, by their polls, every male from twenty years old and upward, all that were able to go forth to war;

Cross References

1 Chronicles 5:1

Now the sons of Reuven the firstborn of Yisrael, (for he was the firstborn; but forasmuch as he defiled his father's bed, his birthright was given unto the sons of Yosef the son of Yisrael: and the genealogy is not to be reckoned after the birthright.

Genesis 46:9

And the sons of Reuven; Hanoch, and Phallu, and Hezron, and Karmi.

Genesis 29:32

And Leah conceived, and bare a son, and she called his name Reuven: for she said, Surely YY hath looked upon my affliction; now therefore my husband will love me.

Numbers 1:21

Those that were numbered of them, even of the tribe of Reuven, were forty and six thousand and five hundred.

Genesis 35:23

The sons of Leah; Reuven, Yaakov's firstborn, and Shimon, and Levi, and Yhudah, and Yissakhar, and Zvulun: