1 Chronicles 9:7 lists some of the descendants of Benjamin who returned to Jerusalem after the exile, specifically naming Sallu, son of Meshullam, son of Hodaviah, son of Hasenuah. This verse is part of a genealogy showing the families and individuals who resettled in Jerusalem.
The book of 1 Chronicles was written to record the history and lineage of Israel, especially after the Babylonian exile. In this section, the writer is carefully naming the heads of families from the tribe of Benjamin who came back to live in Jerusalem. This detailed list helps establish the continuity of the people and their connection to their ancestral land.