Genesis 49:3

Reuben, thou art my first-born, my might, and the beginning of my strength, the excellence of dignity, and the excellence of power:

Deuteronomy 21:17

But he shall acknowledge the son of the hated for the first-born, by giving him a double portion of all that he hath: for he is the beginning of his strength; the right of the first-born is his.

Genesis 29:32

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

Psalm 78:51

And smote all the first-born in Egypt; the chief of their strength in the tabernacles of Ham:

Psalm 105:36

He smote also all the first-born in their land, the chief of all their strength.

Genesis 46:8

And these are the names of the children of Israel, who came into Egypt, Jacob and his sons: Reuben, Jacob's first-born.

Genesis 48:18

And Joseph said to his father, Not so, my father; for this is the first-born; put thy right hand upon his head.

Numbers 1:20

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;

Numbers 26:5

Reuben the eldest son of Israel: the children of Reuben; Hanoch, of whom cometh the family of the Hanochites: Of Phallu, the family of the Phalluites:

1 Chronicles 2:1

These are the sons of Israel; Reuben, Simeon, Levi, and Judah, Issachar, and Zebulun,

1 Chronicles 5:1

Now the sons of Reuben the first-born of Israel, (for he was the first-born; but, forasmuch as he defiled his father's bed, his birth-right was given to the sons of Joseph the son of Israel: and the genealogy is not to be reckoned after the birth-right.

1 Chronicles 5:3

The sons, I say, of Reuben the first-born of Israel were, Hanoch, and Pallu, Hezron, and Carmi.

Treasury of Scripture Knowledge

Summary

Reuben, thou art my firstborn, my might, and the beginning of my strength, the excellency of dignity, and the excellency of power:

General references

Bible References

My firstborn

Genesis 29:32
And Leah conceived, and bore a son, and she called his name Reuben: for she said, Surely the LORD hath looked upon my affliction; now therefore my husband will love me.
Genesis 46:8
And these are the names of the children of Israel, who came into Egypt, Jacob and his sons: Reuben, Jacob's first-born.
Genesis 48:18
And Joseph said to his father, Not so, my father; for this is the first-born; put thy right hand upon his head.
Numbers 1:20
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;
Numbers 26:5
Reuben the eldest son of Israel: the children of Reuben; Hanoch, of whom cometh the family of the Hanochites: Of Phallu, the family of the Phalluites:
1 Chronicles 2:1
These are the sons of Israel; Reuben, Simeon, Levi, and Judah, Issachar, and Zebulun,
1 Chronicles 5:1
Now the sons of Reuben the first-born of Israel, (for he was the first-born; but, forasmuch as he defiled his father's bed, his birth-right was given to the sons of Joseph the son of Israel: and the genealogy is not to be reckoned after the birth-right.

My might

Deuteronomy 21:17
But he shall acknowledge the son of the hated for the first-born, by giving him a double portion of all that he hath: for he is the beginning of his strength; the right of the first-born is his.
Psalm 78:51
And smote all the first-born in Egypt; the chief of their strength in the tabernacles of Ham:
Psalm 105:36
He smote also all the first-born in their land, the chief of all their strength.

General references

Numbers 1:20
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;
Deuteronomy 33:6
Let Reuben live, and not die; and let not his men be few.