Original Verse:
Joshua Chapter 21 Verse 17And out of the tribe of Benjamin, Gibeon with her suburbs, Geba with her suburbs,

Reference Verses:
1st Chronicles Chapter 6 Verse 60And out of the tribe of Benjamin; Geba with her suburbs, and Alemeth with her suburbs, and Anathoth with her suburbs. All their cities throughout their families were thirteen cities.
Joshua Chapter 18 Verse 25Gibeon, and Ramah, and Beeroth,
Joshua Chapter 18 Verse 24And Chepharhaammonai, and Ophni, and Gaba; twelve cities with their villages:
Joshua Chapter 9 Verse 3And when the inhabitants of Gibeon heard what Joshua had done unto Jericho and to Ai,