Genesis 49:3

Reuben, you are my firstborn,
my strength and the firstfruits of my virility,
excelling in prominence, excelling in power.

Deuteronomy 21:17

He must acknowledge the firstborn, the son of the unloved wife, by giving him two shares of his estate, for he is the firstfruits of his virility; he has the rights of the firstborn.

Genesis 29:32

Leah conceived, gave birth to a son, and named him Reuben, for she said, “The Lord has seen my affliction; surely my husband will love me now.”

Psalm 78:51

He struck all the firstborn in Egypt,
the first progeny of the tents of Ham.

Psalm 105:36

He struck all the firstborn in their land,
all their first progeny.

Genesis 46:8

These are the names of the Israelites, Jacob and his sons, who went to Egypt:

Jacob’s firstborn: Reuben.

Genesis 48:18

Joseph said to his father, “Not that way, my father! This one is the firstborn. Put your right hand on his head.”

Numbers 1:20

The descendants of Reuben, the firstborn of Israel: according to their family records by their clans and their ancestral houses, counting one by one the names of every male 20 years old or more, everyone who could serve in the army,

Numbers 26:5

Reuben was the firstborn of Israel.
Reuben’s descendants:
the Hanochite clan from Hanoch;
the Palluite clan from Pallu;

1 Chronicles 2:1

These were Israel’s sons:
Reuben, Simeon, Levi,
Judah, Issachar, Zebulun,

1 Chronicles 5:1

These were the sons of Reuben the firstborn of Israel. He was the firstborn, but his birthright was given to the sons of Joseph son of Israel, because Reuben defiled his father’s bed. He is not listed in the genealogy according to birthright.

1 Chronicles 5:3

The sons of Reuben, Israel’s firstborn:
Hanoch, 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
Leah conceived, gave birth to a son, and named him Reuben, for she said, “The Lord has seen my affliction; surely my husband will love me now.”
Genesis 46:8
These are the names of the Israelites, Jacob and his sons, who went to Egypt:

Jacob’s firstborn: Reuben.
Genesis 48:18
Joseph said to his father, “Not that way, my father! This one is the firstborn. Put your right hand on his head.”
Numbers 1:20
The descendants of Reuben, the firstborn of Israel: according to their family records by their clans and their ancestral houses, counting one by one the names of every male 20 years old or more, everyone who could serve in the army,
Numbers 26:5
Reuben was the firstborn of Israel.
Reuben’s descendants:
the Hanochite clan from Hanoch;
the Palluite clan from Pallu;
1 Chronicles 2:1
These were Israel’s sons:
Reuben, Simeon, Levi,
Judah, Issachar, Zebulun,
1 Chronicles 5:1
These were the sons of Reuben the firstborn of Israel. He was the firstborn, but his birthright was given to the sons of Joseph son of Israel, because Reuben defiled his father’s bed. He is not listed in the genealogy according to birthright.

My might

Deuteronomy 21:17
He must acknowledge the firstborn, the son of the unloved wife, by giving him two shares of his estate, for he is the firstfruits of his virility; he has the rights of the firstborn.
Psalm 78:51
He struck all the firstborn in Egypt,
the first progeny of the tents of Ham.
Psalm 105:36
He struck all the firstborn in their land,
all their first progeny.

General references

Numbers 1:20
The descendants of Reuben, the firstborn of Israel: according to their family records by their clans and their ancestral houses, counting one by one the names of every male 20 years old or more, everyone who could serve in the army,
Deuteronomy 33:6
Let Reuben live and not die
though his people become few.

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.