Shared ground
These two verses act like a bridge. They close the long genealogy section by saying the names were officially recorded, and they open the next section by pointing to exile and then resettlement.
The text makes two straightforward claims side by side: (1) Israel’s identity was tracked through family records that were treated as real public documentation, and (2) Judah’s removal to Babylon is explained as happening “because of disobedience.” The moral explanation is stated, but the specific acts are not.
The mention of “first inhabitants” then frames what follows as a return-and-rebuilding setting: people are again living in their own towns and land holdings, and that restored population includes both ordinary Israelites and temple-related groups.
Where interpretation differs (only where needed)
What “all Israel” means here. Some take it as a claim of complete coverage of every tribe and family in a literal sense. Others hear it as an ideal or official way of speaking: the register covers “Israel” as a whole, meaning all who were eligible, recognized, or available to be counted.
What the “book of the kings of Israel” refers to. Some understand it as royal archives or administrative records the Chronicler could appeal to. Others think it points to a known historical source (something like a royal chronicle) rather than a currently accessible archive.
Who the “first inhabitants” are. Most naturally it means the first settlers back in the land after the exile, not the earliest inhabitants in Israel’s ancient past. But readers sometimes wonder whether it could refer to an earlier stage of settlement; the exile reference in v.1 strongly pushes the meaning toward “after the return.”
Why the disagreement exists
The passage uses broad phrases without extra detail (“all Israel,” “book of the kings,” “disobedience,” “first inhabitants”). Because the Chronicler does not define those phrases here, readers infer meaning from the larger story of Chronicles and from what post-exile community life required (public identity, land claims, and temple staffing).
What this passage clearly contributes
It ties genealogy to communal stability: belonging is not only remembered but documented. It also interprets the exile as a covenant-breaking crisis (“disobedience”) and sets the restoration scene by naming a mixed community: general Israelites plus priests, Levites, and the Nethinim (a group associated with temple service). Together, these claims explain why lists of families and roles matter in the chapters that follow.