Charles Gesner van der Voort (1916-1991) worked at Holland-China Trading Company (HCHC), with offices in Hong Kong, Shanghai, Tientsin (Tianjin), Rotterdam and London. At the start of the company, in 1903, Willem Kien (1877-1970) started to work for HCHC in Shanghai, later becoming director. In 1921 he left China and became director at the Rotterdam head office.
Courtesy Kien family archives