Maria Sibylla Merian
Maria Sibylla Merian (2 April 164713 January 1717) was a German-born naturalist and scientific illustrator, a descendant of the Frankfurt branch of the Swiss Merian family. Merian was one of the first naturalists to observe insects directly.
Maria Anna of Naples and Sicily
Maria Anna was born at the Royal Palace in Naples. Her father was Ferdinand, Duke of Calabria, the third son and ninth child of Charles III of Spain and Maria Amalia of Saxony. Her mother was the Archduchess of Austria, the tenth daughter and thirteenth child of the famous Maria Theresa of Austria and her husband, Francis I, Holy Roman Emperor. She was baptised during the first year of her life. Her full name was "Maria Anna Giuseppa Antoinette Francesca Gaetana Teresa Amalia Clementina", her first four names were the same as her mother's eldest sister Archduchess Maria Anna of Austria (1738-1789). She was born and died while her father was still styled "Duke of Calabria". She was then styled "Princess of Naples and Sicily". Her older siblings were Maria Theresa, namesake of her grandmother, born in 1772; Maria Luisa, born in 1773 and Carlo, Duke of Calabria, born just ten months before her. He also died in childhood, yet Maria Anna outlived him.