Portrait Willem Kien, ca. 1921, Shanghai

Charles 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 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

Source: This image came from Flickr, see https://flickr.com/photo.gne?id=46218810925