Smith's Bible Dictionary (1863)
(day of God), the eldest son of Simeon. (Genesis 46:10; Exodus 6:15) (B.C. 1706.)
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
JEMU'EL (day of God), the eldest son of Simeon. Gen 46:10 ,Ex 6:15. The name is given Nemuel in Num 26:12; 1 Chr 4:24.
Hitchcock's Bible Names (1869)
God's day; son of God