He was a member of the family called Tanto Party, which had a stronghold in Abo, Musashi Province (present day Motoabo, Kamikawamachi Town, Kodama County, Saitama Prefecture) and the party was one of Musashi-shichito Parties with the family name Tajihimahito.
武蔵七党の一つで丹治比真人姓を称し、武蔵国安保（現埼玉県児玉郡神川町元阿保）を拠点とした丹党の一族。