Numbers 2:10
"The standard of the camp of Reuben [will be] to the south according to their divisions. The leader of the descendants [will be] Elizur son of Shedeur.
Numbers 1:5
And these [are] the names of the men who will {assist you}: from Reuben, Elizur son of Shedeur;
Genesis 49:3-4
Reuben, you [are] my firstborn, my strength, and the firstfruit of my vigor, excelling in rank and excelling in power.
Numbers 7:30
On the fourth day Elizur son of Shedeur, leader of the descendants of Reuben:
Numbers 7:35
and for the sacrifice of the fellowship offering, two cattle, five rams, five he-goats, [and] five male lambs {in their first year}. This [was] the offering of Elizur son of Shedeur.
Numbers 10:18
And the standard of the camp of Reuben according to their divisions; Elizur son of Shedeur [was] over their division.
1 Chronicles 5:1
The sons of Reuben the firstborn of Israel (for he was the firstborn, but when he defiled the couch of his father, his birthright was given to the sons of Joseph, the son of Israel, so that he was not enrolled in the genealogy as the firstborn,