There is a theory that her name was 'Nei' as it was indicated as 'Nei,' 'Neishi,' 'Nei' (in different Chinese characters) in the documents including "The Genealogical Table of the Kinoshita Family" of the Ashimori domain in Bicchu Province governed by her nephew, Toshifusa KINOSHITA.
また甥にあたる木下利房の備中国足守藩の文書『木下家譜』やその他の文書では、「寧」「寧子」「子為（ねい）」などと記されている事から「ねい」説もある。