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 of Swabia
Maria of Hohenstaufen (3 April 1201 – 29 March 1235) was a member of the powerful Hohenstaufen dynasty of German kings which lasted from 1138 to 1254. She is also known to history as Marie of Swabia.