Low ground. (1.) A son of Raamah (Gen. 10:7). His descendants "are mentioned in Isa. 21:13, and Ezek. 27:15. They probably" "settled among the sons of Cush, on the north-west coast of the" Persian Gulf. "(2.) A son of Jokshan, Abraham's son by Keturah (1 Chr. 1:32). His descendants settled on the Syrian borders about the territory of Edom. They probably led a pastoral life.

"The descendants of Dedan, the son of Raamah. They are mentioned" "in Isa. 21:13 as sending out "travelling companies" which lodged" in the forest of Arabia. They are enumerated also by Ezekiel (27:20) among the merchants who supplied Tyre with precious things.

See where Dedan occurs in the Bible...

Definition of Dedan:
"their breasts; friendship; a judge"