Omar

An Edomite, in the time of the Patriarchs · Edom · named in 3 verses

the name means talkative Strong's Lexicon

Omar was a son of Eliphaz and a grandson of Esau, mentioned in the genealogies of Edom.

From Easton's Bible Dictionary

Eloquent, the son of Eliphaz, who was Esau's eldest son (Gen. 36:11-15).

Easton's Illustrated Bible Dictionary, 1897 — public domain, quoted in full and unedited.

From STEPBible's TIPNR genealogy data. A relationship the data marks uncertain is not shown here.

First named at Genesis 36:11.

Genesis 36:11 The sons of Eliphaz were Teman, Omar, Zepho, Gatam, and Kenaz.
Genesis 36:15 These are the chiefs among the sons of Esau. The sons of Eliphaz the firstborn of Esau: Chiefs Teman, Omar, Zepho, Kenaz,
1 Chronicles 1:36 The sons of Eliphaz: Teman, Omar, Zepho, Gatam, and Kenaz; and by Timna, Amalek.