It is also pointed out that some of Koto no naishi-tsubone"s (-tubone: a honorary suffix attachde to the name of a high-ranked female in the court) income came from Mikuniminato near to Fujishima where Yoshisada NITTA died in a battle.
なお、新田義貞が戦死した藤島近くの三国湊は、勾当内侍局の収入源の1つであった事も指摘されている。