Kasaidono lived in Kasai-dani Valley (now Komachi, Kamakura City), managed the fief owned by the Tokuso family (head of the Hojo clan) and was involved in trading with China (the Yuan Dynasty), according to the historical materials.
「葛西殿」は葛西谷（現鎌倉市小町）に居を構え、得宗領などを支配し、対元(王朝)貿易に関わっていた女性である事が知られる。