横滨正金银行
After the Hong Kong government's surrender, J. J. Paterson, the chairman of the HSBC, V. M. Grayburn and his successor D. C. Edmondston and other Britons in Hong Kong were in the hand of Japanese army. Grayburn and his wife were sent to a hotel in Central and he was forced to help the Japanese bank Yokohama Specie Bank take over the HSBC.