Does Queen Camilla remain the Queen of the UK, after Charles dies?
No, as things are currently, at the moment that King Charles III dies, William will become King immediately, and he will assume the throne.
What Title will Queen Camilla have, after Charles dies?
During the lifetime of King Charles III, his wife, Camilla is “Her Majesty The Queen”.
If Charles dies before Camilla, then Camilla becomes “Her Majesty Queen Camilla”.
At that same moment, William then becomes King, and his wife Catherine, will become “Her Majesty The Queen”.
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