Guillaume SEZNEC

Family tree of Guillaume SEZNEC

Alleged criminal, miscarriage of justice

FrenchBorn Joseph Marie Guillaume SEZNEC

French guilty of the murder of the wood merchant Pierre Quéméneur

Born on May 01, 1878 in Plomodiern, Finistère , France

Died on February 13, 1954 in Paris , France

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Among other things, Quéméneur had strangely disappeared on the night of 25/26 May 1923 during a business trip from Brittany to Paris with Seznec, a trip linked (according to Seznec) to the sale of stocks of cars (left behind in France after the First World War by the American army) to the Soviet Union. Though many other possibilities were advanced as to the disappearance and despite the body never being recovered, it was decided only to pursue the murder hypothesis. Seznec became the prime suspect as the last person to have seen Quéméneur alive, and was arrested, charged and imprisoned.

His 8-days trial, in the course of which nearly 120 witnesses were heard, closed on 4 November 1924. Seznec was thus found culpable, but since premeditation could not be proved and so he was condemned to hard labour in perpetuity (the avocat général had demanded the death penalty). He was taken to the Transportation Camp at Saint-Laurent-du-Maroni in 1927, before being transferred to the prison of the Îles du Salut in French Guiana in 1928.


Benefitting from a remission in his sentence in May 1947, he returned to Paris the following year. In 1953, in Paris, he was reversed into by a van that then drove off (the driver, later questioned, claimed not to have seen anything) and died of his injuries on 13 February 1954.

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Geographical origins

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