Josina Anna Petronella van Aerssen, married name Baroness Giustina Boetzelaer (3 January 1733 – 3 September 1797) was a Dutch composer, painter, lady in waiting and noble. Life She was born in The Hague to Cornelis van Aerssen and Anna Albertina van Schagen Beijeren and in 1786 married Baron Carel van Boetzelaer. Josina van Aerssen was the lady in waiting to Anne, Princess Royal and Princess of Orange, the spouse of prince William IV of Orange. She was a dilettante painter and made a portrait of princess Caroline. She was possibly active as a dilettante composer at court. In 1780, she published several compositions. They were inspired by the Italian music and considered unique for the Netherlands. She died, aged 64, in IJsselstein. References 1733 births 1797 deaths 18th-century classical composers 18th-century Dutch writers Dutch women classical composers Dutch classical composers Dutch ladies-in-waiting Musicians from The Hague 18th-century Dutch painters 18th-century Dutch artists 18th-century women composers