Easton's Bible Dictionary (1897)
Known. ) One of the chiefs who subscribed the covenant (Neh. 10:21). ) The last high priest mentioned in the Old Testament (Neh. 12:11, 22), sons of Jonathan.
Smith's Bible Dictionary (1863)
(known).
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
JADDU'A (known). One who sealed the covenant. Neh 10:21. c. c. " -Bible (Speaker's) Commentary. T.
Hitchcock's Bible Names (1869)
known