11 Heb “Who should not revere you …?” The question is rhetorical and expects a negative answer.
12 Heb “For it is fitting to you.”
13 Heb “their royalty/dominion.” This is a case of substitution of the abstract for the concrete “royalty, royal power” for “kings” who exercise it.

In other versions

Who would not fear you, O King of the nations?

For this is your due;

for among all the wise ones of the nations

and in all their kingdoms

there is none like you.

Who should not fear you,

King of the nations?

This is your due.

Among all the wise leaders of the nations

and in all their kingdoms,

there is no one like you.

Who should not fear you,

King of the nations?

It is what you deserve.

For among all the wise people of the nations

and among all their kingdoms,

there is no one like you.

Who would not fear you, O King of nations?

That title belongs to you alone!

Among all the wise people of the earth

and in all the kingdoms of the world,

there is no one like you.

Who would not revere you, O king of the nations?

For you it is fitting.

For among all the wise men of the nations,

and in all their kingdoms,

there is none like you.

Who would not fear thee, O King of nations? for to thee doth it appertain:

Forasmuch as among all the wise men of the nations, and in all their kingdoms, there is none like unto thee.

Public Domain