You have seven martlets on your arms; give three to your wife, and you will still have four; that is one more than M. de Guise had, who so nearly became King of France, and whose cousin was Emperor of Germany.
There are no more uses of "guise" in the book.
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Under the guise of friendship he betrayed them.
the text of the Constitution has frequently been rewritten by the Supreme Court in the guise of interpretation.
Law, Pragmatism, and Democracy -- Richard A. Posner