Statistics for occurrence #1 of “de St. Castin” in chapter 5 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 3, 15th edition.:

... The Abenakis then demanded that their territory should be evacuated, and the imprisoned warriors delivered up, or reprisals would follow. Instead of negotiating, the English seized the young baron de St. Castin , who, being a half-breed, at once held a French commission and was an Indian war-chief; and, after vainly soliciting the savages to surrender Rasles, in midwinter Westbrooke led a strong force to Nor...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
De St. Castin 2 2 2 2 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.