This name change, just like many among Japanese nobility, occurred with a Fujiwara member.

Fujiwara no Kanezane (1149-1191)

He was a descendant of the Fujiwara clan.

After becoming regent and then Chief Minister, he was encouraged to found his own clan by Minamoto no Yoritomo.

Kujō Kanezane (1191-1207)

Kujo (九条): nineth article

The name Kujo derived from a house built by his Fujiwara ancestor that overlooked a road named Kujo-Oji where Kanezane and his family lived.


  • Saeki, Umetomo; Mabuchi, Kazuo (1969). 講談社古語辞典. 講談社. p. 300.
  • Sansom, George (1958). A History of Japan to 1334. Stanford University Press. p. 322-324.
  • Wikipedia.
    • “Fujiwara no Kanezane.”
    • “Kujō family.”

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