ISABELLA: I am the sister of one Claudio, Condemn'd upon the act of fornication To lose his head; condemn'd by Angelo: I, in probation of a sisterhood, Was sent to by my brother; one Lucio As then the messenger,-- LUCIO: That's I, an't like your grace: I came to her from Claudio, and desired her To try her gracious fortune with Lord Angelo For her poor brother's pardon.