OET interlinear 1 CHR 15:18

uW Translation Notes:

Note 1 topic: translate-names

This continues the list of men whom the Levites appointed to sing and play music as the people brought the ark to Jerusalem.

Note 2 topic: translate-ordinal

(Occurrence 0) With them were their kinsmen of second rank

(Some words not found in UHB: and,with,them relatives_of,their the_second,in_rank Zəkar^yāh son and,Jaaziel and,Shemiramoth and,Jehiel and,Unni ʼElīʼāⱱ and,Benaiah and,Maaseiah and,Mattithiah and,Eliphelehu and,Mikneiah and,Obed- -ʼₑdōm and,Jeiel the,gatekeepers )

This likely means that these men served in lower positions and were assistants to Heman, Asaph, and Ethan. Alternate translation: [With them were their kinsmen who were in a lower position of power] or [The following relatives would help them]

Note 3 topic: figures-of-speech / explicit

(Occurrence 0) Mikneiah, Obed Edom, and Jeiel, the gatekeepers

(Some words not found in UHB: and,with,them relatives_of,their the_second,in_rank Zəkar^yāh son and,Jaaziel and,Shemiramoth and,Jehiel and,Unni ʼElīʼāⱱ and,Benaiah and,Maaseiah and,Mattithiah and,Eliphelehu and,Mikneiah and,Obed- -ʼₑdōm and,Jeiel the,gatekeepers )

The word “gatekeepers” refers to people who guard gates or entryways. Here it refers to guarding access to the ark of the covenant and applies to Obed Edom and Jeiel. Alternate translation: [Mikneiah, and the gatekeepers, Obed Edom and Jeiel]