It is surmised that the tsukisara no kinomiyakko and matsurigotohito played certain roles in ABE no Hirafu's northern navigation, which led to the visit to the capital by emishi.
蝦夷の来訪は阿倍比羅夫北航の成果であり、都岐沙羅の柵造と判官はそこで何らかの役割を果たしたと推測できる。