Numbers 32:8

8 Your ancestors did the same thing. I sent them from Kadesh Barnea to look at the land.

Numbers 32:8 Meaning and Commentary

Numbers 32:8

Thus did your fathers
Meaning not particularly and only the fathers of these two tribes he was speaking to, but of them and the other tribes also, who acted much such a part; did not choose to go into the good land to possess it, when they were bid to do it, but were for sending spies first, which brought an ill report of it, and discouraged the people from going into it; the history of which Moses here gives:

when I sent them from Kadeshbarnea to see the land;
called only Kadesh, ( Numbers 13:26 ) the reason of the name (See Gill on Numbers 32:13).

Numbers 32:8 In-Context

6 Moses told the people of Gad and Reuben, "Shall your brothers go to war while you stay behind?
7 You will discourage the Israelites from going over to the land the Lord has given them.
8 Your ancestors did the same thing. I sent them from Kadesh Barnea to look at the land.
9 They went as far as the Valley of Eshcol, and when they saw the land, they discouraged the Israelites from going into the land the Lord had given them.
10 The Lord became very angry that day and made this promise:
Scripture taken from the New Century Version. Copyright © 1987, 1988, 1991 by Thomas Nelson, Inc. Used by permission. All rights reserved.