was a Japanese clan in Mutsu Province.Inumaru, Tadashi and Mitsukuni Yoshida. (1992). The Traditional Crafts of Japan: Lacquerware, p. 98; excerpt, "... Kasai clan was appointed to rule the Hiraizumi region on the order of the central government ..."; retrieved 2013-4-11.
History The Kasai clan was established in the 12th century.Prasol, A. F. (2010). Modern Japan: Origins of the Mind: Japanese traditions and approaches to contemporary life, p. 94.
In the 17th century, the family were given a monopoly for cleaning the sewer pits of Edo Castle.
References
External links "Kasai family' at Library of Congress Subject Headings