Sumiyoshi sanjin is the generic name for the three Shinto gods Sokotsutsu no o no Mikoto; Nakatsutsu no o no Mikoto; and Uwatsutsu no o no Mikoto. The Sumiyoshi sanjin are regarded as the gods of the sea and sailing. They are sometimes referred to as the Sumiyoshi daijin.

Totoya Hokkei was a Japanese printmaker and book illustrator. He initially studied painting with Kano Yosen (1735-1808); the head of the Kobikicho branch of the Kano School and okaeshi (official painter) to the Tokugawa shogunate.

Together with Teisai Hokuba (1771-1844); Hokkei was one of Katsushika Hokusai's best students.