Numbers 1:5
"These are the tribes and the names of the leaders who will assist you: Tribe Leader Reuben Elizur son of Shedeur

Numbers 7:29
For a peace offering he brought two bulls, five rams, five male goats, and five one-year-old male lambs. This was the offering brought by Eliab son of Helon.

Numbers 7:31
His offering consisted of a silver platter weighing 3-1/4 pounds and a silver basin weighing 1-3/4 pounds (as measured by the weight of the sanctuary shekel). These were both filled with grain offerings of choice flour moistened with olive oil.