https://www.telegraph.co.uk/arts/main.jhtml?xml=/arts/2007/06/02/smsylvia02.xml "The girl who would be queen", The Daily Telegraph, 2/6/2007] She first visited Sarawak in 1912, where her husband (from 1917) ruled a 40000 sqmi jungle kingdom on the northern side of Borneo with a population of 500,000, an ethnic mix of Chinese, Malays, and the headhunting Dayak.