Kingly

Thou shalt be over my house, and at the commandment of thy mouth all the people shall obey: only in the kingly throne will I be above thee.

Source: tatoeba (7883437)

The kingly emblems in King Egbert’s days were few and of no great value, probably nothing more than a crown and a sceptre.

Source: tatoeba (11842919)

O thou dull god, why liest thou with the vile / In loathsome beds, and leav'st the kingly couch / A watch-case or a common 'larum-bell?

Source: wiktionary

1701, Jonathan Swift, A Discourse of the Contests and Dissensions between the Nobles and the Commons in Athens and Rome, Chapter IV, in The Works of the Rev. Jonathan Swift, edited by John Nichols, London: J. Johnson, 1801, Vol. 2, pp. 328-9 https://books.google.ca/books?id=fN4NAAAAQAAJ&printsec=frontcover#v=onepage&q&f=false But in Sparta, which was called a kingly government, though the people were perfectly free, yet because the administration was in the two kings and the ephori, with the assistance of the senate, we read of no impeachments by the people;

Source: wiktionary