Some people say that her serving for Ieyasu was recommended by Toshikage TOYAMA (the Akechi-Toyama) who was from the same Toyama clan (the Musashi-Toyama clan was originally the Akechi-Toyama clan; refer to "Naokage TOYAMA") and was a hereditary direct vassal to the Tokugawa shogunate, or by Tenkai who was assumed to be her older brother (he used the same family crest as that used by the Toyama clan).
同じ遠山氏（武蔵遠山氏はもとは明知遠山氏、遠山直景参照）で徳川譜代の旗本となっていた遠山利景（明知遠山）あるいはその兄とも一部で推測されている天海（同じ遠山氏の家紋を用いている）の推挙によるものともされる。