According to the writings, the Agyo statue was made by master sculptors Unkei and Kaikei with 13 disciples and the Ungyo statue was made by master sculptors Jokaku and Tankei with 12 disciples.
それによると阿形像は大仏師運慶および快慶が小仏師13人を率いて造り、吽形像は大仏師定覚および湛慶が小仏師12人とともに造ったものである。