In the "Kinriyo-gakuninshu" published in 1603 when the Edo bakufu (Japanese feudal government headed by a shogun) was established, the names of 24 gakunin for sanpo.in total were listed.
江戸幕府が成立した慶長8年（1603年）の『禁裏様楽人衆』には三方あわせて24人の名前がみえる。