What is ego sum rex romanus et supra grammatica?
Ego sum rex Romanus et supra grammaticam: I am a Roman king and above grammar.
Who wrote Latin grammar?
Aelfric, the abbot of Eynsham (11th century), who wrote the first Latin grammar in Anglo-Saxon, proposed that this work serve as an introduction to English grammar as well. Thus began the tradition of analyzing English grammar according to a Latin model.