Numbers 2:10
The standard of the camp of Reuben shall be towards the Negev, by their hosts and the prince of the sons of Reuben, Elizur, the son of Shedeur.
Numbers 1:5
And these are the names of the men that shall stand with you: of the tribe of Reuben, Elizur, the son of Shedeur;
Genesis 49:3-4
Reuben, thou art my firstborn, my might, and the beginning of my strength, principal in dignity, and the principal in power.
Numbers 7:30
On the fourth day Elizur, the son of Shedeur, prince of the sons of Reuben.
Numbers 7:35
and for a sacrifice of peace: two oxen, five rams, five he goats, five lambs of the first year. This was the offering of Elizur, the son of Shedeur.
Numbers 10:18
Then the standard of the camp of Reuben set forward according to their armies, and over his host was Elizur, the son of Shedeur.
1 Chronicles 5:1
Now the sons of Reuben, the firstborn of Israel, (for he was the firstborn, but because he defiled his father's bed, his birthright was given unto the sons of Joseph, the son of Israel; and he was not counted as the firstborn.