Katsushika Ōi
ca. 1800–after 1857

Katsushika Oi was Hokusai's third daughter and studied with him. She collaborated with her father at a time when professional women painters were unusual in Japan. Her subjects included popular literature such as the Chinese Romance of the Three Kingdoms.
Works
Sources
Tsuyuki Iitsu (attributed in the NDL/Japan Search description) · Tsuyuki Iitsu, Hokusai’s temporary dwelling, National Diet Library, PID 1286947; detail of Ōi from the public-domain NDL scan via Wikimedia Commons · National Diet Library; identification supported by Sumida Hokusai Museum and Japan Foundation scholarly essay; public-domain scan via Wikimedia Commons · Public domain (faithful reproduction of public-domain two-dimensional artwork) Portrait source · Licence