Judges 1 23
Bethel had been called Luz. They sent some men to look secretly at the city.
Compare with other 3 random translations
NKJ Judges 1:23So the house of Joseph sent men to spy out Bethel. (The name of the city was formerly Luz.)
LSV Judges 1:23and the house of Joseph causes men to spy out Beth-El (and the name of the city was formerly Luz),
GW Judges 1:23They sent men to spy on Bethel. (In the past the city was called Luz.)