Analysis of information sources in references of the Wikipedia article "Hattori Hanzō" in English language version.
Luís Fróis;History of Japan..; Nihon Yoso-kai Annual Report", Japanese historical materials also show that Ieyasu distributed a large amount of gold and silver to his subordinates) A certain " Ishikawa Tadashi Sosho
From "The Truth About Tokugawa Ieyasu" in the February 2023 issue of Rekishijin article