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, Queen of Sicily
Maria (2 July 1363 – 25 May 1401) was Queen of Sicily and Duchess of Athens and Neopatria from 1377 until her death.