The Germans knew who she was, but they didn't think she was smart enough to work for the resistance, so she could get information from the Germans easily.
As resistance was impossible, and remonstrance useless, Heyward set the example of submission, by leading the way into the canoe, where he was soon seated with the sisters and the still wondering David.
" What is now so freely accorded to approved courage, may be refused to useless obstinacy. Monsieur would wish to see my camp, and witness for himself our numbers, and the impossibility of his resisting them with success" ?