A sequence of women who acted remarkably as castellans, without being a formal heiress, or female castellans where there is little detail about their administration, area and castle.
Sengoku period (1467–1603)
Akamatsu Tōshōin: She was a de factoDaimyo of the Akamatsu clan. She was a guardian of Akamatsu Yoshimura. After Yoshimura's death, Tōshōin took total control of the clan as the leader in 1521.[7]
Jukei-ni: She acted as guardian and adviser to Ujiteru, Yoshimoto and her grandson Imagawa Ujizane. She has spent four generations of daimyos and it is said that she was de facto the last Sengoku daimyo of the Imagawa clan.[9]
Ikeda Sen: ''Tōdaiki'' (当代記) describes that she owned lands with a revenue equivalent to 10,000 koku, like a minor daimyo.[10]
Myorin: Luís Fróis describes that a woman was the ruler of an area that is currently Ōita city, that woman was probably Myorin. Her son inherited the clan leadership after the death of Yoshioka Akioki. Because he was very young, Myorin became the representative head of Tsurusaki castle as a counselor for her son. Cases like these were common in all of Japanese history.[11][12]
Munakata Saikaku: In 1586, she was appointed leader of the Munataka clan by Toyotomi Hideyoshi, because of her efforts in the Kyushu campaign.
Shimazu Kameju: She was granted by Shimazu Yoshihiro landholdings of 5,000 koku in the Hioki District of Satsuma, by Shimazu Yoshihisa additional landholdings of 2,739 koku in the village of Ōnejime in Ōsumi Province. In 1611, she received Kokubu Castle after her divorce. In 1624, she received another grant of 10,000 koku free of levies for her generation.