A son of King David. He was one of the 13 children David fathered during the time he ruled as king in Jerusalem (2 Samuel 5:15; 1 Chronicles 14:5). In a similar list found in 1 Chronicles 3:6, most Hebrew manuscripts show the name "Elishama" in the place where Elishua's name should be.
Elishua
From Tyndale Bible Dictionary, adapted by Mission Mutual. CC BY-SA 4.0.