Matsudaira Saku

In this Japanese name, the family name is "Matsudaira".

Matsudaira Saku (松平佐久) (1846 – 1909) was a Japanese figure of the mid-19th century. The daughter of Tashiro Genbei of Edo, she became the concubine of the Aizu lord Matsudaira Katamori and gave birth to several of his children.

References

Tsunabuchi Kenjō, ed. Matsudaira Katamori no Subete. Tokyo: Shin Jinbutsu Oraisha, 1984.