An example of a marquis was the Marquis de Sade, a French aristocrat and writer who was famous for his erotic novels.
Origin of marquis
- Partly from French marquis and partly from Middle English marques both from Old French marquis, marchis from marche border country of Germanic origin merg- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
- Meaning is “lord of the march", in sense of march (“border country").