Robert de Gretham
Robert de Gretham, alternatively Robert de Greetham, was an Anglo-Norman literary person and cleric.He was noted for the book Etude sur le Miroir ou les Evangiles des domnees.
Etude was written for a Lady Elena of Quency. However, de Grethammay have been aiming at a broader audience by using a amasculine plural. The work was intended to act as a "Looking Glass for the Soul", hence the title.
De Gretham may have also written Corset, a book on popular theology. It was dedicated to someone named Alain and Alain's wife.
