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The Case with Nine Solutions · Character
Yvonne Silverdale
Yvonne Silverdale is a character in The Case with Nine Solutions by J. J. Connington.
supporting
Also known as Yvonne, Mrs. Silverdale, Yvonne Silverdale, Mrs. Yvonne Silverdale
First appearance: 0001-ii-the-house-next-door
The wife of Silverdale, with secrets that impact the case.