Doi Toshitsura
Daimyō of Koga
In office 1822–1844
Preceded by	Doi Toshiatsu
Succeeded by	Doi Toshinari
Personal details
Born	(1789-06-15)June 15, 1789
Died	July 31, 1848(1848-07-31) (aged 59)
Nationality	Japanese

"Sekka zusetsu", Japanese book about snow crystal written by Doi Toshitsura in 1832. Exhibit in the National Museum of Nature and Science, Tokyo, Japan.

Doi Toshitsura (土井 利位, June 15, 1789 – July 31, 1848) was a Japanese daimyō of the Edo period, who ruled the Koga Domain. He served as a rōjū for Tokugawa Ienari during the Tokugawa shogunate.

References

• Bolitho, Harold. (1974). Treasures Among Men: The Fudai Daimyo in Tokugawa Japan. New Haven: Yale University Press. ISBN 978-0-300-01655-0; OCLC 185685588

See also

• Sekka Zusetu - Figure collection of snowflake