Numbers 1:20

And they were as followeth - The sons of Reuben, the firstborn of Israel, in their pedigrees - by their families, by their ancestral houses, in the counting of names, by their polls, every male, from twenty years old and upwards, every one able to go forth to war;

Numbers 26:5-7

Reuben, the firstborn of Israel, - the sons of Reuben, To Hanoch, pertained the family of the Hanochites; To Pallu, the family of the Palluites;

Numbers 2:10-11

the standard of he camp of Reuben south-wards, by their hosts, - even the prince of the sons of Reuben, Elizur son of Shedeur;

Genesis 29:32

So Leah conceived, and hare a son, and called his name Reuben, - for she said, Because, Yahweh hath looked upon my humiliation, For, now, will my husband love me.

Genesis 46:9

And, the sons of Reuben, - Hanoch and Pallu, and Hezron and Carmi;

Genesis 49:3-4

Reuben, my first-born, thou, My vigour, and the first-fruit of my strength, - Pre-eminence of elevation and pre-eminence of power:

1 Chronicles 5:1

And the sons of Reuben the firstborn of Israel, for, he, was the firstborn, but because he defiled the couch of his father, his birthright was given to the sons of Joseph son of Israel, - and he is not to be enrolled in the place of firstborn,

Treasury of Scripture Knowledge

Summary

And the children of Reuben, Israel'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;

Bible References

General references

Numbers 2:10
the standard of he camp of Reuben south-wards, by their hosts, - even the prince of the sons of Reuben, Elizur son of Shedeur;
Numbers 26:5
Reuben, the firstborn of Israel, - the sons of Reuben, To Hanoch, pertained the family of the Hanochites; To Pallu, the family of the Palluites;
Genesis 29:32
So Leah conceived, and hare a son, and called his name Reuben, - for she said, Because, Yahweh hath looked upon my humiliation, For, now, will my husband love me.
Genesis 46:9
And, the sons of Reuben, - Hanoch and Pallu, and Hezron and Carmi;
Genesis 49:3
Reuben, my first-born, thou, My vigour, and the first-fruit of my strength, - Pre-eminence of elevation and pre-eminence of power:
1 Chronicles 5:1
And the sons of Reuben the firstborn of Israel, for, he, was the firstborn, but because he defiled the couch of his father, his birthright was given to the sons of Joseph son of Israel, - and he is not to be enrolled in the place of firstborn,