Dathan

One of the rebels, in company with Korah, against the authority of Moses, and Aaron, Numbers 16:1-50.

Source: ATS Bible Dictionary
Dathan

Welled; belonging to a fountain, a son of Eliab, a Reubenite, who joined Korah (q.v.) in his conspiracy, and with his accomplices was swallowed up by an earthquake (Numbers 16:1; 26:9; Deuteronomy 11:6; Psalms 106:17).

Source: Easton's Bible Dictionary
Dathan

(belonging to a fountain ) a Reubenite chieftain, son of Eliab, who joined the conspiracy of Korah the Levite. (Numbers 16:1; 26:9; 11:6; Psalms 106:17) (B.C. 1490-1452).

Source: Smith's Bible Dictionary