One theory says that he was the author of "TAIRA no Masatsura isamegusa" (Remonstration by TAIRA no Masatsura) written in 1308 and addressed to Uchi-Kanrei (head of the Tokuso Family) Munetsuka NAGASAKI of the Tokuso Family of the Hojo clan, but this is not confirmed.
一説によれば、1308年（徳治3年）北条得宗家内管領長崎宗綱に宛てに書かれた『平政連諫草』の筆者だとされているが、確証はない。