Cross reference
Joshua 15:49
49 and Dannah, and Kirjath-Sannah (it `is' Debir)
Joshua 15:15
15 and he goeth up thence unto the inhabitants of Debir; and the name of Debir formerly is Kirjath-Sepher.
Judges 1:11
11 And he goeth thence unto the inhabitants of Debir (and the name of Debir formerly `is' Kirjath-Sepher),