Had Napoleon died in 1805 (e.g Trafalgar Battle) Quick Question

Had he kicked the bucket back in 1805, who would have been a good bet to have been his successor, providing the Empire didn't collapse?

Thanks.
 
I doubt the Emperor would board a galleon on that battle, honestly.

Had he die around that time, hs brother Joseph would be the next Emperor. Maverick's The Fallen Prince TL is exactly about that.
 
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