Is there a name that means king?

There are quite a few names that mean king like:

Roy (Leroy;origin is French)

Malik (origin is Arabic)

Reagan;Reegan;Regan (origin Irish and it means Little King)

Rex (origin Latin)

Rey (origin Spanish)

Rian (origin Irish and it means Little King as well)

Rory (origin Irish and it means Red King)

Signourey (origin French and it means daring king)