
Christine de Pizan wrote Othea’s Epistle to Hector (the Book of Knighthood) around the beginning of the 15th century. She is considered to be the first female professional writer. In 1460, a manuscript of the Book of Knighthood was commissioned, written in Middle French and illustrated with miniatures. Sixteen of those miniatures are reproduced for your pleasure at BibliOdyssey. Link
You may now refer to the Discworld author as “Sir Terry”, although he regrets that the honor did not come with a sword.

