He was commonly called Kumajiro; his real name was Yoshiaki (良明) or Yoshitomo (良朋); his by-name was Shitoku; his main name was FUJIWARA; and the epitaph on his gravestone was Yoshiaki FUJIWARA (藤原良明).
熊次郎は通称で、諱は良明（もしくは良朋）、字は子徳、本姓は藤原を称し、墓碑の刻字には藤原良明とある。