was a poet, scholar and tutor under the emperors of Shirakawa, Horikawa, and Toba. Masafusa was most known by his title of "Acting Middle Counselor". In 1060 AD, Masafusa became mainly known for being the author of the famous work: GÃ Âke Shidai. For the ceremonial and public functions in the eleventh century, this became one of the most valuable sources of historic information. During the year of 1111, Masafusa died at the age of 71.
One of his students in the art of war was Minamoto no Yoshiie.
Masafusa authored a number of texts, including:
His paternal great grandparents were and Akazome Emon, Masahira himself being a grandson of . Koretoki was a son of and grandson of à Âe no Otondo. Otondo was a son of Prince Abo, who was a son of Emperor Heizei.