日本興業銀行
Her mother Yumiko is descended from the Egashira clan which served the Saga clans near Nagasaki on the island of Kyushu. One of the Egashiras, Yasutaro, went on to command a battleship in the Russo-Japanese War. Yumiko's father was a wealthy banker who was at the time of her marriage the managing director of the Industrial Bank of Japan.