Cross reference
Numbers 2:10
10 On the south side shall be the standard of the camp of Reuben according to their armies: and the captain of the children of Reuben shall be Elizur the son of Shedeur.
Numbers 1:5
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
3 Reuben, thou art my firstborn, my might, and the beginning of my strength, the excellency of dignity, and the excellency of power:
4 Unstable as water, thou shalt not excel; because thou wentest up to thy father's bed; then defiledst thou it: he went up to my couch.
Numbers 7:30
30 On the fourth day Elizur the son of Shedeur, prince of the children of Reuben, did offer:
Numbers 7:35
35 And for a sacrifice of peace offerings, 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
18 And 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
1 Now the sons of Reuben the firstborn of Israel, (for he was the firstborn; but forasmuch as he defiled his father's bed, his birthright was given unto the sons of Joseph the son of Israel: and the genealogy is not to be reckoned after the birthright.