Hsueh-Chun Liao married David Harrington Angus Douglas, 12th Marquess of Queensberry, son of Francis Archibald Kelhead Douglas, 11th Marquess of Queensberry and Cathleen Sabine Mann, on 3 July 2000.

After her marriage, Hsueh-Chun Liao was styled as Marchioness of Queensberry on 3 July 2000. From 3 July 2000, her married name became Douglas.

She is a renowned ceramicist and some of her works have been acquired by the British Museum.