Cross reference
Numbers 2:10
10 On the south side is the flag of the children of Reuben, in the order of their armies, with Elizur, the son of Shedeur, as their chief.
Numbers 1:5
5 These are the names of those who are to be your helpers: from Reuben, Elizur, the son of Shedeur;
Genesis 49:3-4
3 Reuben, you are my oldest son, the first-fruit of my strength, first in pride and first in power:
4 But because you were uncontrolled, the first place will not be yours; for you went up to your father's bed, even his bride-bed, and made it unclean.
Numbers 7:30
30 On the fourth day Elizur, the son of Shedeur, chief of the children of Reuben:
Numbers 7:35
35 And for the peace-offerings, two oxen, five male sheep, five he-goats, five he-lambs of the first year: this was the offering of Elizur, the son of Shedeur.
Numbers 10:18
18 Then the flag of the children of Reuben went forward with their armies: and at the head of his army was Elizur, the son of Shedeur.
1 Chronicles 5:1
1 And the sons of Reuben, the oldest son of Israel, (for he was the oldest son, but, because he made his father's bride-bed unclean, his birthright was given to the sons of Joseph, the son of Israel; but he is not to be given the place of the oldest.