Antoinette is a given name, that is a diminutive feminine form of Antoine and Antonia (from Latin Antonius). People with the name include: Nobles. Antoinette de Maignelais, Baroness of Villequier by marriage (1434–1474), mistress of Charles VII of France and later of Francis II, Duke of Brittany. Antoinette de Bourbon (1493–1583) Princess Antoinette of Brunswick-Wolfenbüttel (1696–1762) Princess Antoinette of Saxe-Coburg-Saalfeld (1779–1824) Antoinette de Mérode (1828–1864), Princess of Monaco.
https://en.wikipedia.org/wiki/Antoinette