Cross reference
Joshua 15:21
21 And the uttermost cities of the tribe of the children of Judah toward the border of Edom in the South were Kabzeel, and Eder, and Jagur,
Genesis 35:21
21 And Israel journeyed, and spread his tent beyond the tower of Eder.
Nehemiah 11:25
25 And as for the villages, with their fields, some of the children of Judah dwelt in Kiriath-arba and the towns thereof, and in Dibon and the towns thereof, and in Jekabzeel and the villages thereof,