Contradiction with 1 Chronicles 6:31-32
1 Chronicles 23:7 lists the descendants of Gershon, while 1 Chronicles 6:31-32 refers to the duties of the Levites in David’s time, creating inconsistencies in the roles attributed to specific families.
1 Chronicles 6:31-32: And these [are they] whom David set over the service of song in the house of the LORD, after that the ark had rest.
Contradiction with Exodus 6:16-17
1 Chronicles 23:7 identifies the sons of Gershon as Laadan and Shimei, yet Exodus 6:16-17 only lists Libni and Shimei as sons, suggesting differing accounts of Gershon's descendants.
Exodus 6:16-17: And these [are] the names of the sons of Levi according to their generations; Gershon, and Kohath, and Merari: and the years of the life of Levi [were] an hundred thirty and seven years.
Contradiction with Numbers 3:17-23
Numbers 3:17-23 gives a census count and details of the Gershonite families which differ from the lineage information in 1 Chronicles 23:7, specifically in the enumeration and naming of families.
Numbers 3:17-23: And these were the sons of Levi by their names; Gershon, and Kohath, and Merari.