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.
Mariana of Austria
Mariana of Austria or Maria Anna (24 December 1634 – 16 May 1696) was Queen of Spain from 1649 until her husband Philip IV died in 1665. She was appointed regent for their three-year-old son Charles II and due to his ill health remained an influential figure until her own death in 1696.