Boyd’s Bible Dictionary:
(known). (1) A co-covenanter (Neh. 10:21). (2) High priest, and last mentioned in O. T. (Neh. 12:11,22).
Concise Bible Dictionary:
1. One who sealed the covenant (Neh. 10:21).
2. Son of Jonathan, a descendant of Jeshua the priest (Neh. 12:11, 22).
Strong’s Dictionary of Hebrew Words:
Transliteration:
Yadduwa`
Meaning:
from 3045; knowing; Jaddua, the name of two Israelites
Jackson’s Dictionary of Scripture Proper Names:
knowing
Potts’ Bible Proper Names:
Well distinguished; known:―the name of two Israelites, Neh. 12:11. {Clarissimus}