Boyd’s Bible Dictionary:
(right hand). (1) Chief of the 6th priestly course (1 Chron. 24:9). (2) Co-covenanters (Neh. 10:7).
Concise Bible Dictionary:
1. Head of the sixth course of priests (1 Chron. 24:9).
2. Priest who sealed the covenant (Neh. 10:7).
Jackson’s Dictionary of Scripture Proper Names:
from the right hand