Boyd’s Bible Dictionary:
(son). A Levite, and porter, appointed to carry the ark (1 Chron. 15:18).
Concise Bible Dictionary:
A word signifying “son,” and often placed at the beginning of proper names to say whose son the person is: or followed by an appellative, as Ben-oni, “son of my sorrow.” In the plural it is BENE or BENI. See BAR.
Jackson’s Dictionary of Scripture Proper Names:
a son