Quentin Duguesclin

In the novel The Clocks, Quentin Duguesclin was friend of the Montresor family in Canada. He had especially been fond of Valerie.

He was found stabbed to death and left in Miss Pebmarsh's home. Before his murder he had been given chloral hydrate. The body was first identified as a salesman named R. H. Curry due to a printed card found aming his belongings. Merlina Rival later identified him as her estranged husband Harry Castleton.