To the sons of Gershom, according to their families, out of the tribe of Issachar, and out of the tribe of Asher, and out of the tribe of Naphtali, and out of the tribe of Manasseh in Bashan, thirteen cities.
As we compare parallel genealogies in various parts of Scripture, we observe that some lists contain omissions and additions. This shows that genealogical lists are not always complete.