Okay! So! Works like these fall under the category of "Orientalism". They do not accurately represent any culture or people, and were created as sort of Western fantasies of "The Middle East" and/or "Asia". The history of the term and the concept are complicated.
academiccommons.columbia.edu/catalog/ac:179…
Fanny Eaton, the Jamaican-born model in Millais’ Jephthah by Stephanie Roberts:
amgueddfa.cymru/blog/2014-10-2…
Especially Edward Burne-Jones, who was doing stained glass & tapestries: en.wikipedia.org/wiki/Edward_Bu…