Where is "and Heshbon and its suburbs, and Jazer and its suburbs." found in the Bible?

This verse is found in 1 Chronicles, chapter 6, verse 81 of the Young's Literal Translation (YLT) Bible translation.

1 Chronicles 6:81 (YLT) - Bible Verse

and Heshbon and its suburbs, and Jazer and its suburbs.

And Moses said, I will turn aside now, and see this great sight, why the bush is not burnt.