[1] The five houses are Konoe, Takatsukasa, Kujō, Ichijō, and Nijō, which were established during the split of the Fujiwara Hokke.
After the abolition of the regency in 1868, the Five Regent Houses were all appointed Duke under the new hereditary peerage.
In the Kamakura period,[2] the Hokke split into the Five Regent Houses, Konoe, Takatsukasa, Kujō, Ichijō, and Nijō.
[1][3] These families continued to monopolize the regency from 1252[1] until the Meiji Restoration in 1868.
[1][4] When the regency was abolished as part of the Meiji Restoration, a new hereditary peerage (kazoku) was established, and these houses were all appointed Prince.