What does 1 Chronicles 9:5 mean?

Now the first inhabitants who lived in their possessions in their cities were Israel, the priests, the Levites, and the temple servants.

In Jerusalem lived of the children of Judah, of the children of Benjamin, and of the children of Ephraim and Manasseh:

Uthai the son of Ammihud, the son of Omri, the son of Imri, the son of Bani, of the children of Perez the son of Judah.

Of the sons of Zerah: Jeuel and their brothers, six hundred ninety.

Of the sons of Benjamin: Sallu the son of Meshullam, the son of Hodaviah, the son of Hassenuah,

and Ibneiah the son of Jeroham, and Elah the son of Uzzi, the son of Michri, and Meshullam the son of Shephatiah, the son of Reuel, the son of Ibnijah;