The Hidden Children by Robert William Chambers Chapter 7 Page 54

“Jean Coeur,” I repeated. “That is no name for a man — — ” Suddenly I remembered, years ago — years and years since — hearing Guy Johnson cursing some such man. Then in an instant all came back to me; and she seemed to divine it, for her small hand clutched my arm and her eyes were widening as I turned to meet them.

“Lois,” I said unsteadily, “there was a man called Jean Coeur, deputy to the adventurer, Joncaire. Joncaire was the great captain who all but saved this Western Continent to France. Captain Joncaire was feared, detested, but respected by Sir William Johnson because he held all Canada and the Hurons and Algonquins in the hollow of his hand, and had even gained part of the Long House — the Senecas. His clever deputy was called Jean Coeur.