Truthfully, there is zero evidence that she's not fit to sit on the court.
ping
No title of nobility shall be granted by the United States: and no person holding any office of profit or trust under them, shall, without the consent of the Congress, accept of any present, emolument, office, or title, of any kind whatever, from any king, prince, or foreign state.
Do you find the language of the constitution so incredibly difficult that you must find someone much smarter than yourself to tell you what it means? You honestly can't read a document written for farmers and merchants without a jurist interpreting the plain words for you?