Title: Maria Pia of Savoy
Content:  Dona Maria Pia (16 October 1847 &ndash; 5 July 1911) was an Italian Princess and Portuguese Queen consort as spouse of King Luís I of Portugal. She was a member of the House of Savoy. On the day of her baptism, Pope Pius IX, her godfather, gave her a Golden Rose. Maria Pia was married to Luís on the 6 October 1862 in Lisbon. She was the grand mistress of the Order of Saint Isabel.
Title: Princess Maria Pia of Bourbon-Parma
Content:  Maria Pia Elena Elisabetta Margherita Milena Mafalda Ludovica Tecla Gennara di Savoia was the first-born child of the Prince and Princess of Piedmont, born in Naples, Italy in 1934. Her parents, married since 1930, were unhappy together, as her mother confessed in an interview many years later (On n'a jamais été heureux, "We were never happy"), and separated after the Italian monarchy was abolished by plebiscite on 2 June 1946. Exiled, the family gathered briefly in Portugal, and she and her three younger siblings soon went with their mother to Switzerland while their father remained in the Portuguese Riviera. She lives in Neuilly-sur-Seine, near Paris, and Palm Beach, Florida.
Title: Maria Pia of Savoy
Content:  Maria Pia was the daughter of Victor Emmanuel II, the first King of Italy, by his wife Adelaide of Austria. Her sister Maria Clotilde was the "princesse Napoléon" as wife of Napoléon Joseph Charles Paul Bonaparte, and her brothers were King Umberto I of Italy and King Amadeo of Spain Maria Pia married King Luís I of Portugal on 6 October 1862 at the age of 14 in the São Domingos Church in Lisbon, therefore she instantly became Queen consort of Portugal. One year after the wedding, Maria Pia gave birth to her first son and heir, Carlos, Duke of Braganza. In 1865 she had another son, Afonso, Duke of 
Title: Princess Maria Pia of Bourbon-Parma
Content:  Princess Maria Pia of Bourbon-Parma (born Princess Maria Pia of Savoy; 24 September 1934) is the eldest daughter of Umberto II of Italy and Marie-José of Belgium. She is the older sister of Princess Maria Gabriella of Savoy, Vittorio Emanuele, Prince of Naples, and Princess Maria Beatrice of Savoy.
Title: Marie-José of Belgium
Content: Princess Maria Pia of Savoy (24 September 1934), who married Prince Alexander of Yugoslavia on 12 February 1955 and was divorced in 1967. Four children were born during the marriage. She remarried Prince Michel of Bourbon-Parma in 2003. ; Vittorio Emanuele, Prince of Naples (12 February 1937), who married Marina Ricolfi Doria on 7 October 1971. They have one son. ; Princess Maria Gabriella of Savoy (24 February 1940), who married Robert Zellinger de Balkany on 21 June 1969 and was divorced in November 1990. They have issue. ; Princess Maria Beatrice of Savoy (2 February 1943), who married Luis Reyna-Corvallán y Dillon on 1 April 1970, and has issue. On 8 January 1930, she married Crown Prince Umberto of Italy, from the House of Savoy, at the Quirinal Palace in Rome, and so became Princess of Piedmont (Italian: Principessa di Piemonte). Among the wedding gifts was a turquoise and diamond parure, worn by the bride at her pre-wedding reception, and a diamond bow worn as a sash decoration at state occasions. The couple had four children:<
Title: Princess Maria Pia of Bourbon-Two Sicilies (1849–1882)
Content:  Maria Pia of the Two Sicilies (2 August 1849 – 29 September 1882) was a Princess of the Two Sicilies and titular Duchess consort of Parma as the wife of Robert I, Duke of Parma. Maria Pia was the daughter of King Ferdinand II of the Two Sicilies and his wife, Maria Theresa of Austria. Maria Pia was forced into exile along with the rest of her family after the unification of Italy in 1861.
Title: Princess Maria di Grazia of Bourbon-Two Sicilies
Content:  Maria was the daughter of Prince Alfonso of Bourbon-Two Sicilies, Count of Caserta and his wife Princess Antonietta of Bourbon-Two Sicilies. She was usually called “Maria Pia”. Her father, the third son of King Ferdinand II of the Two Sicilies, became Head of the Royal House of the Two Sicilies with the death of his elder brother, King Francis II, in 1894. At the time of his birth, however, the Sicilian Royal Family was already exiled in France due to Italian Unification, which took place in 1861.
Title: Princess Maria Pia of Bourbon-Parma
Content:  time a girl and boy:  The couple were divorced in 1967. In 2003, Maria Pia was married to Prince Michel of Bourbon-Parma (1926–2018), son of Prince René of Bourbon-Parma and Princess Margaret of Denmark, whose marriage with Princess Yolande de Broglie-Revel had been annulled and with whom he has five dynastic children, also being the father of a child born out of wedlock in 1977, Amélie de Bourbon de Parme (wed in 2009 to Igor Bogdanoff). Through him she was a sister-in-law of Queen Anne of Romania. Maria Pia's ex-husband, Prince Alexander was also remarried, to Princess Barbara of Liechtenstein, a cousin of that principality's monarch, and they had one son, Prince Dušan Paul.
Title: Princess Maria Gabriella of Savoy
Content:  Princess Maria Gabriella of Savoy (Maria Gabriella Giuseppa Aldegonda Adelaide Ludovica Felicita Gennara; born 24 February 1940) is the middle daughter of Italy's last king, Umberto II, and Marie José of Belgium, the "May Queen", and a sister of a pretender to their father's throne, Vittorio Emanuele, Prince of Naples. She is a historical writer.
Title: Princess Maria Beatrice of Savoy
Content:  Born Principessa Maria Beatrice Elena Margherita Ludovica Caterina Romana di Savoia, she was the third daughter as well as the fourth and last child of the Prince and Princess of Piedmont, known as "Titi" to family and friends. When she was three years old, her father ruled Italy as Umberto II for slightly over a month, from 9 May 1946 to 12 June 1946. The family was then exiled and briefly gathered in Portugal, where her parents decided to separate. She and her siblings went with their mother to Switzerland while their father remained in the Portuguese Riviera.

Question: Who is the father of Princess Maria Pia of Savoy?
Answer: Umberto II of Italy.
Humbert II of Italy.
King Humbert.
Umberto II.