皇こう統とう譜ふ

noun

Imperial family register

Official record of the Japanese Imperial family's genealogy and status, maintained by the Imperial Household Agency.

• 皇こう統とう譜ふには、天皇てんのうや皇こう族ぞくの身み分ぶんに関かんする事じ項こうが登とう録ろくされる。

  Matters concerning the status of the Emperor and the Imperial family are recorded in the Imperial family register.