Answer: Juliet is the character that says "He was not born to shame: upon his brow shame is ashamed to sit".
Explanation: Juliet pronounces these words to the Nurse after she tells Juliet that Tybalt has died and blames Romeo for it. <u>The Nurse uses harsh words against Romeo</u> and expresses that he should be ashamed. J<u>uliet becomes upset immediately and starts to defend Romeo by saying that he was not born to be shameful</u> and that he only deserves honor ("He was not born to shame: upon his brow shame is ashamed to sit").