What was the nickname of the princess that signed the Lei Áurea law?
Isabel, Princess Imperial of Brazil 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.
Sultana (title) Sultana or sultanah (Arabic: سلطانه‎ ‎ "sulṭānah ", ] ) is an Islamic title and a feminine form of the word sultan. This term has been legally used for some Muslim women monarchs and sultan's consorts. Nevertheless, westerners have used the title to refer to Muslim women monarchs and sultan's women relatives who don't hold this title officially.