Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
LXX

Joshua 21:6

And the sons of Gedson had thirteen cities, out of the tribe of Issachar, and out of the tribe of Aser, and out of the tribe of Nephthali, and out of the half tribe of Manasse in Basan.

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