Bananas and lemons for a Baron (9)

I believe the answer is:

mandelson

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'a baron' is the definition.
I don't know anything about this answer so I can't tell whether this works.

'bananas and lemons' is the wordplay.
'bananas' indicates anagramming the letters (informal term for mad).
'and'+'lemons'='andlemons'
'andlemons' anagrammed gives 'MANDELSON'.

'for' acts as a link.

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