Royalty charges include November (7)

I believe the answer is:

princes

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'royalty charges include november' is the definition.
I can't tell whether this defines the answer.

'charges include november' is the wordplay.
'charges' becomes 'prices'.
'include' means one lot of letters goes inside another.
'november' becomes 'N' (phonetic alphabet: alpha, bravo, charlie etc.).
'prices' going around 'n' is 'PRINCES'.

Can you help me to learn more?

(Other definitions for princes that I've seen before include "Male royals" , "king's followers?" .)

I've seen this clue in The Independent.

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