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.
Princess Lucia of Bourbon-Two Sicilies Princess "Lucia" Maria Raniera of Bourbon-Two Sicilies (Italian: "Lucia Maria Raniera, Principessa di Borbone delle Due Sicilie" ; 9 July 1908 in Munich – 3 November 2001 in São Paulo) was a Princess of Bourbon-Two Sicilies by birth. Through her marriage to Prince Eugenio of Savoy, 5th Duke of Genoa, Lucia was Duchess of Ancona and Duchess of Genoa.