Analysis of information sources in references of the Wikipedia article "羅伯特·希琴斯" in Chinese language version.
He died of heart failure possibly resulting from stomach cancer or a gastric ulcer in 1940 aboard the ship English Trader off the Coast of Aberdeen, Scotland, at the age of 58. It was thought he was buried at sea until his grave was discovered in Aberdeen, Scotland in 2012 https://www.bbc.co.uk/news/uk-england-17551053.