The Tozawa clan lords were rulers of the Shinjō Domain in Dewa Province (present-day Yamagata Prefecture) during the Edo period, governing under the Tokugawa shogunate. Ancestral reverence for the clan's lords reflects the broader Japanese tradition of honoring familial and regional leaders as protective figures tied to the land and lineage they oversaw. Such veneration is typically expressed through shrine dedications and memorial rites maintained by descendants and local communities rather than through claims of specific supernatural favor.