You knew the answers to your question before you asked me. What’s with that?
I didn’t expect 1 Timothy 2, frankly. That’s why thanks was due. Romans 13:1-5 is the most common answer I’ve received from most.
And the converse notion, that one must not curse the ruler(s), is brought up more commonly. We are, after all, told to pray for our enemies too (e.g. Matthew 5:44).