Numbers 16:2

and rose up before Moses, and two hundred and fifty men of the sons of Israel, chiefs of the assembly, chosen councillors, and men of renown.

And they rose up before Moses, with certain of the children of Israel, two hundred and fifty princes of the assembly, famous in the congregation, men of renown:

They rose up before Moses, with some of the children of Israel, two hundred fifty princes of the congregation, called to the assembly, men of renown.