He was died at the age of 53 (53 is most likely, but there are various theories about his age at death, and since birth year was calculated based on this, the accurate birth year is unknown.)
享年53（53説が最も有力視されているが、没年は50歳から73歳説まで諸説あり、そこから逆算した生年になっているので、正確な生年は不詳である）。