Due to the fact that it was impossible for Kazunomiya to have put her hair in the casket since she had been living in Edo at the time, it is assumed that the hair belonged to a woman, perhaps a concubine, who accompanied Iemochi and was close to him.
しかし、当時江戸在住だった和宮が髪を入れることは不可能だった点から、この髪の持ち主は家茂に同行し、家茂に近かった女性-つまり側室-のものではないか、と推測されている。