Tachikawa was the son of a merchant from Munakata district of Chikuzen province. After the Meiji Restoration he became a Buddhist priest.
References
- Shinsengumi - Honor and Determination of the Mibu Rôshi (血誠新撰組-峻烈壬生浪士忠と斬), Rekishi Gunzô series #31, Gakken, Japan, 2003