Would his uncle go with him?
Certainly not.

Moreover, the time for adventure was over.
He must no longer wander about; he was a king; he must put his hand to king-craft.

And one morning his uncle found him gone, gone as completely as if he had never existed.

What to do?
Ah! The prince regent set it going that his majesty had gone a-hunting in Bavaria.

Then the prince regent put on some old clothes and went a-venturing himself." "And the end ?" "God knows!" said Ludwig, sliding off the counter.
Nothing but the ticking of the clocks was heard.
"And fatuous fool that this uncle was, he committed an almost irreparable blunder.