Numbers 11:24
So Moses went out and told the people what the LORD had said. He gathered 70 men from the elders of the people and stationed them around the tent.
Numbers 11:16
Then the LORD told Moses, "Gather together for me 70 men who are elders of Israel, men whom you know to be elders of the people and officers over them. Then bring them to the Tent of Meeting and let them stand there with you.
Numbers 11:26
Now two men had remained in camp. One was named Eldad and the other was named Medad. When the spirit rested on them, since they were among those who were listed but had not gone out to the tent, they stayed behind and prophesied in the camp.