1 Chronicles 26:10

Also Hosah, of the children of Merari. — Four chiefs of the sons of Hosah are named, and thirteen assigned as the total number of families belonging to this clan (1 Chronicles 26:10). Adding them to the 18 of Meshelemiah and the 62 of Obed-edom, we get a total of 93 principal porters, presiding over the 4,000 Levites appointed to that work (1 Chronicles 23:5).

Simri (Shimri) the chief (for though he was not his firstborn ...). — This may mean either that the oldest family had died out, or that none of these families could prove its seniority to the rest.