Thus, since she was familiar with Yoritomo, there are two theories of Rakuin (child born out of wedlock) about Yoritomo in later years such as her son Kagemori was the son of Yoritomo ("Horyakukanki" (A History Book of the 14 century in Japan)) and Tadahisa SHIMAZU, the patriarch of the Shimazu clan, identified himself as a son between her and Yoritomo.
このように頼朝に近しい女性であった事から、後年子の景盛が頼朝の子であるとする風説が出たり（『保暦間記』）、島津氏が祖の忠久が彼女と頼朝の子であると自称するなど、彼女を母とした二つの頼朝落胤説が見られる。