Illuminations in “Scivias” Hildegard von Bingen (1098-1179)
German abbess, writer, composer, mystic, and perhaps artist; it is unclear how involved she was in the illustrations
https://www.wikiart.org/en/hildegard-of-bingen

Das Weltall (The Universe) / c.1165 / Manuscript illumination from “Scivias” by Hildegard of Bingen

Herrad von Landsberg (c.1130-1195)
Alsatian abbess, artist, author, poet, composer, and educator
https://www.wikiart.org/en/herrad-of-landsberg

Hell / c.1180 / Colored pen and ink drawing on paper, original no longer available