Variant rendering of Stuart / Stewart. The standard form in modern Chinese press is
斯图亚特 with
图 instead of
徒 - refers to the same House of Stuart royal dynasty (1603-1714 in England) and figures like Mary, Queen of Scots (
玛丽·
斯图亚特). The variant
斯徒亚特 appears in older translations and some Taiwanese sources.