Dona Isabel (English: Isabella; 29 July 1846 – 14 November 1921), nicknamed "the Redemptress", was the heiress presumptive to the throne of the Empire of Brazil, bearing the title of Princess Imperial. She also served as the Empire's regent on three occasions.
Dona Isabel was known by her title Princess Imperial Dona Isabel.
I think it fooled the system because it doesn't understand royal titles. My statement is correct because I gave the name she would be known by in her royal capacities and that's also why it belongs to the category. 