The late “Benz Hung” Hui Shiu-hung might be best known in Hong Kong for his supporting roles in TV dramas and films over the past five decades, but his family came to play pivotal roles in China’s modern development. With celebrities and the public mourning Hui, who died on Tuesday at the age of 76 due to multiple organ failure caused by cancer, some also recalled his family’s colourful history. In an interview published last year, Hui revealed his ancestor was Xu Baiting, the most significant...