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Patrick Dunne’s country house, Serenity, on Bayou Carron in Washington, Louisiana.

Photo: Brie Williams

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Dunne with his beloved dog Chene (which means “oak” in French).

Photo: Brie Williams

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A nineteenth-century Acadian chair guards the entrance to a bedroom.

Photo: Brie Williams

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A farm sink and copper pots for cooking gumbo.

Photo: Brie Williams

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A formal Louis XVI canape and eighteenth-century, hand coloreed engravings by Buffon.

Photo: Brie Williams

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A bare brick floor keep the dining room casual.

Photo: Brie Williams

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Another view of the dining room.

Photo: Brie Williams

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Photo: Brie Williams

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Photo: Brie Williams

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Photo: Brie Williams

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Photo: Brie Williams