Verses with the word omar in the Old Testament (3 verses):

Genesis 36:11
And the sons of Eliphaz were Teman, Omar, Zepho, and Gatam, and Kenaz.

Genesis 36:15
These were dukes of the sons of Esau: the sons of Eliphaz the firstborn son of Esau; duke Teman, duke Omar, duke Zepho, duke Kenaz,

1 Chronicles 1:36
The sons of Eliphaz; Teman, and Omar, Zephi, and Gatam, Kenaz, and Timna, and Amalek.