For male government officials, the genealogical tables contain real names and abbreviated biographies, including mother's name, official position, date of death, age at death and footnotes, making the book an extremely valuable source of information.
系図に名の見える男性官人には、実名とともに生母・官歴・没年月日と享年の注記を含む略伝が付され、最も貴重である。