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.
Velia Abdel-Huda Princess Velia Osman-Oglu, born as Velia Abdel-Huda, and more commonly referred to as Princess Lulie (26 January 1916 – 29 November 2012) was an art historian and socialite. She was also notable for being the first Muslim woman to study at the University of Oxford.