DOS QUET, Peter Herman, Canadian R. C. bishop, born in Lille, Flanders, in 1691 ; died in Paris, France, in 1777. He studied theology in the Seminary of St. Sulpice, Paris, became a member of the order, and was sent to Canada in 1721 or 1722. After a. short stay in the Seminary of Montreal he received orders to go to the Lake of the Two Mountains, where the Sulpitians had established a mission among the Ottawa Indians, but his health was injured by the fatigues that he underwent in the discharge of his duties, and after two years he returned to France. He was summoned to Paris to superintend the organization of a house of foreign missions, and afterward sent to Rome as procuratorgeneral of the society. Here he was named bishop of Samos by Benedict XIII., and consecrated in 1725. He was appointed coadjutor bishop of Quebec in 1728, and arrived in that City in 1729.

In 1732 the needs of his diocese obliged him to go to France, where he learned that the resignation of Bishop Duplessis Mornay made him titular bishop of Quebec. Several young ecclesiastics of the diocese of Quebec had entered religious orders with the view of escaping the hardships of missionary life, and to counteract this evil he obtained a decree from Rome that all candidates for orders should take an oath before ordination to perform missionary duty in the diocese of Quebec unless they had the license of the bishop or his successors to leave it. He returned to Quebec after an absence of two years, rebuilt at his own expense the Seminary of Quebec, which had been burned in 1705, endowed it with a valuable tract of land near Quebec, and erected a large country house for the students. He founded a new Latin school in Quebec, and another in Montreal, and also established a school for girls in Louisburg, conducted by sisters of the congregation of Notre Dame. His health was undermined by his labors, and he embarked again for France in 1735. Feeling his infirmities increase, he resigned his bishopric and was appointed vicar general of Paris.