Additionally, although Kanichi and Moto, who were brothers of the sixteenth-generation Kichizaemon Tomonari, were stockholders of the Sumitomo main company, they were never named as executives of the main company or any of its subsidiary companies.
また、16代目吉左衛門友成の兄弟である寛一・元夫は住友本社の株主ではあったが、本社はもちろん傘下事業の役員にも名を連ねることはなかった。