The Five regent houses (五?家; go-seike or go-sekke) is a collective term for those five families of Fujiwara clan, who were regarded entitled to the position of Sekkan in the Imperial Court of Kyoto, Japan, and monopolized the position between 12th and 19th century. The five houses are Konoe, Takatsukasa, Kujō, Ichijō and Nijō.
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