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Son of Jean-Baptiste Thériault, Sr and Geneviève Pinet Husband of Madelaine Poirier Father of Theophile Pierre Theriault Brother of Paul Constant Theriault; Dominique Thériault; Fabien Thériault; Étienne Thériault; Sebastien Theriault and 7 others; Henriette Genevieve Theriault; Étienne Thériault; Private; Françoise Thériault; Théotiste Thériault; Joseph Thériault and Isaïe Thériault « less Half brother of Sidefroy Theriault