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Originally Posted by Majimaune  Yes I think that the destroying of the house would brake the charm. Also isn't there something in the sixth one where Dumbledore dies and that body-bind one that he puts on Harry lifts. |
However, if I can just direct you back to JK's original quote, which I pasted on page one of this thread:
When a Secret-Keeper dies, their secret dies with them, or, to put it another way, the status of their secret will remain as it was at the moment of their death. Everybody in whom they confided will continue to know the hidden information, but nobody else.