I knew a long time ago that King Monghut ((King Phra Bat Somdet Phra Poramanthra Maha Mongkut Phra Chom Klao Chao Yu Hua) looked like this:
rather than this:
What I didn't know was that Anna Leonowens was passing, all over the place. Her mother was of mixed Anglo-Indian race, her husband was a clerk who was bad at holding down a job. She cut off her sister, Eliza, after Eliza married a man of mixed race, and she reinvented herself. A brutal cut-off--when a nephew approached her, she said she would kill herself if he continued to try to make contact.
She made her father a Captain and made up a birthplace in Wales, and she managed to move herself, and her children and grandchildren across the line to gentility in a time when being of mixed race was a prison of its own.