Samuel’s sons: his firstborn Joel,
and his second son Abijah.

These are the men who served with their sons.

From the Kohathites: Heman the singer,
son of Joel, son of Samuel,

The total number of those chosen to be gatekeepers at the thresholds was 212. They were registered by genealogy in their villages. David and Samuel the seer had appointed them to their trusted positions.

So all the elders of Israel came to the king at Hebron. David made a covenant with them at Hebron in the Lord’s presence, and they anointed David king over Israel, in keeping with the Lord’s word through Samuel.

All that Samuel the seer, Saul son of Kish, Abner son of Ner, and Joab son of Zeruiah had dedicated, along with everything else that had been dedicated, were in the care of Shelomith and his brothers.

As for the events of King David’s reign, from beginning to end, note that they are written in the Events of Samuel the Seer, the Events of Nathan the Prophet, and the Events of Gad the Seer,