2 Kings 11:4
And the seventh year Jehoiada sent and fetched the rulers over hundreds, with the captains and the guard, and brought them to him into the house of the LORD, and made a covenant with them, and took an oath of them in the house of the LORD, and showed them the king's son.
Torrey's Topical Textbook—AKJV

Ecclesiastes 8:2
I counsel you to keep the king's commandment, and that in regard of the oath of God.
Torrey's Topical Textbook—AKJV