Princess_Marie_Louise_of_Bourbon-Parma

Princess Maria Luisa of Bourbon-Parma (Marie Louise Pia Theresa Anna Ferdinanda Francisca Antoinette Margaret Josepha Carolina Blanche Lucia Apollonia; 17 January 1870 – 31 January 1899) was the eldest daughter of Robert I, the last reigning Duke of Parma. She became Princess of Bulgaria upon her marriage to Ferdinand I, the then prince-regnant (who became Tsar after the Bulgarian Declaration of Independence in 1908). She was the mother of Tsar Boris III of Bulgaria.