Elizabeth Warnes was the second daughter of John Olson snr. and half sister to Hannah Warren. Her mother was Ching Ah-Fung. Her other siblings were John Olson jnr., Charles W. Olson and Ellen Melcher née Olson. She married Charles Aspinell Warnes at St John's Cathedral in 1905. Their children were Iris, Marjorie and Cyril. Iris's and Marjorie's descendants now live in Australia. They lost touch with their brother, Cyril, who is thought to have emigrated to Canada. Elizabeth is buried in the Protestant Cemetery in Happy Valley near her parents.