Pierre was the son of Jean-Baptiste Céloron de Blainville and Hélène Picoté de Belestre. The date and place of his birth have not been found.
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Jean-Baptiste Céloron de Blainville |
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Hélène Picoté de Belestre |
Pierre Picoté de Belestre |
François Picoté de Belestre |
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Marie-Hélène Part |
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Note 1
DAGNEAU DOUVILLE DE QUINDRE, LOUIS-CÉSAIRE, merchant, militia colonel; baptized 8 Oct. 1704 at Sorel (Que.), son of Michel Dagneau Douville and Marie Lamy; m. Françoise-Marie-Anne Picoté de Belestre in Montreal, 4 Dec. 1736; buried at Detroit 2 Feb. 1767.
1727: Dictionary of Canadian Biography: trading among the Miamis; 1730+: Sending canoes to Michilimackinac and in partnership with Claude Marin de la Perrière, leasing the Michipicoten post (near Michipicoten Harbour ON) from Pierre Gaultier de Varennes et de la Vérendyre; 1740-1742: Moved his wife from Montreal to Fort Saint Joseph (Niles, Michigan) and with his partner Claude Marin carried on a extensive trade with the Miamis and Potawatomis. Commandant at Fort St Joseph.
1741: Greffes des Notaires du Regime Français: Power of Attorney given by Louis Césaire and his wife Marie-Anne Picoté de Belestre on their departure for the poste of the River St Joseph to François Picoté de Belestre, brother of the said Marie-Anne to which it gave power to receive her part of her share of the will of her great uncle in France, dated Jun 25, 1741.
1742: Moved his wife from Montreal to Fort Saint Joseph (Niles, Michigan) and with his partner Claude Marin carried on an extensive trade with the Miamis and Potawatomis. Commandant at Fort St Joseph.
1747: Transferred his business to Michilimackinac and became leading suppliers of the fort at that location. Indian problems resulted in him sending his wife back to Montreal. Peace with the Indians was kept by Jacques Legardeur de Saint Pierre but there was an uprising at Detroit.
1749: He moved to Detroit. Family was in financial difficulties so his wife came back. He developed a trading business and became a major supplier to the garrison at Detroit. He provided clothing, canoes and huge supplies of grain.
1752: The commandant of Detroit, Pierre Joseph Céloron de Blainville ceded him all of Île aux Cochons (Belle Isle) in the Detroit River. Protests arose so the grant was withdrawn and he was given a large tract of land on the west side of the settlement.
1755: Appointed Colonel of Militia. This position had local prestige but there were only 200 men in it.
1759: A militia detachement lead by Louis Césaire accompanied François Marie Le Marchand de Lignery in an unsuccessful attempt to relieve Fort Niagara from attacking British forces and Indians. He was accompanied by his brother, Major Guillaume Dagneau, Douville de Lamothe. Both brothers were captured.
1766: (L' Esclavage au Canada Français by Marcel Trudel): Louise a Pawnee Indian, slave belonging to Louis-Césaire Dagneau-Douville Dequindre, age 31 years; after having been set free, married at Detroit June 26, 1766 to Louis Brunet, 28 years, a resident of Detroit for the last 9 years, major, son of Louis Brunet, master-carpenter at Ste Charles-de-Lachenaie and Louise Parent. Prior to her marriage, Louise had 3 natural children (sons), from 1757 to 1764. The first two children remained in bondage while the mother obtained freedom for Antoine-Césaire, panis Indian, born and baptized May 11, 1757 in Detroit.