Eze 9:4, 6, Rev 7:3 | ESV | STEP | And the Lord said to him, Pass through the city , through Jerusalem , and put a mark on the foreheads of the men who sigh and groan over all the abominations that are committed in it .

Ezekiel 9:4

4 And the Lord said to him, “Pass through the city, through Jerusalem, and ^aput a mark on the foreheads of the men who ^bsigh and groan over all the abominations that are committed in it.”

Ezekiel 9:6

6 ^cKill old men outright, young men and maidens, little children and women, but ^dtouch no one on whom is the mark. And ^ebegin at my sanctuary.” So they began with the elders who were before the house.

Revelation of John 7:3

3 saying, ^f“Do not harm the earth or the sea or the trees, until we have sealed the servants ^{▼▼Greek bondservants} of our God ^hon their foreheads.”