Revelation 4:4

4:4 In a circle around the throne were twenty-four other thrones, and seated on those thrones were twenty-four elders. They were dressed in white clothing and had golden crowns on their heads.

Revelation 4:10

4:10 the twenty-four elders throw themselves to the ground before the one who sits on the throne and worship the one who lives forever and ever, and they offer their crowns before his throne, saying:

Revelation 7:13

7:13 Then one of the elders asked me, “These dressed in long white robes – who are they and where have they come from?”