Title: Otto von Habsburg
Content: Andrea von Habsburg (born 30 May 1953), married Hereditary Count Karl Eugen von Neipperg (born 20 October 1951 in Schwaigern), a descendant of Marie Louise, Duchess of Parma, the second wife of Napoleon I. They have three sons and two daughters. One of them, Dominik, married Marie-Anna, Princess of Salm-Salm, a descendant of Friedrich, Prince of Waldeck and Pyrmont and his wife Princess Bathildis of Schaumburg-Lippe. ; Monika von Habsburg (born 13 September 1954), married Luis María Gonzaga de Casanova-Cárdenas y Barón, Duke of Santangelo and Grandee of Spain (born 24 April 1950 in Madrid), son of Balthasar de Casanova-Cárdenas y de Ferrer and María de los 
Title: Otto von Habsburg
Content:  have one son and two daughters.  He married Princess Regina of Saxe-Meiningen on 10 May 1951 at the Church of Saint-François-des-Cordeliers in Nancy, capital city of Lorraine. They were fourth cousins as both were descendants of Karl Ludwig, Prince of Hohenlohe-Langenburg and his wife Countess Amalie Henriette of Solms-Baruth. The wedding was attended by his mother, Empress Zita. He returned there with his wife for their golden jubilee in 2001. Otto lived in retirement at the Villa Austria in Pöcking near Starnberg, upon Starnberger See, Upper Bavaria, Bavaria, Germany. At the time of his death in 2011, the couple had seven children, 22 grandchildren and two great-grandchildren:
Title: Von Habsburg
Content: Francesca von Habsburg (born 1958), Archduchess of Austria ; Gabriela von Habsburg (born 1956), Archduchess of Austria ; Géza von Habsburg (born 1940), Archduke of Austria ; Karl von Habsburg, (born 1961), Austrian politician, current Head of the House of Habsburg-Lorraine and son of Otto von Habsburg ; Otto von Habsburg (1912–2011), Crown Prince of Austria Von Habsburg is a surname. Notable people with the surname include: 
Title: Otto von Habsburg
Content:  Barón y Osorio de Moscoso, Duchess de Maqueda, a descendant of Infanta Luisa Teresa of Spain, Duchess of Sessa, and sister of Francis, King-Consort of Spain. They have four sons. ; Michaela von Habsburg (born 13 September 1954, twin of Monika), married firstly Eric Alba-Teran d'Antin (born 21 May 1920 in Mexico City – 9 July 2004 in New York City), and secondly Count Hubertus von Kageneck (born 10 August 1940 in Wittlich), son of Count Franz Joseph von Kageneck and Princess Elisabeth Maria of Bavaria. Twice divorced, she has two sons and one daughter from her first marriage. ; Gabriela von Habsburg (born 14 October 1956), 
Title: Otto von Habsburg
Content:  Christian Meister (born 1 September 1954 in Starnberg). Divorced in 1997, they had one son and two daughters. ; Walburga von Habsburg (born 5 October 1958), married Count Archibald Douglas (born 27 November 1949 in Stockholm), a descendant of Ludwig I, Grand Duke of Baden. They have one son. ; Karl von Habsburg (born 11 January 1961), married (later divorced) Baroness Francesca Thyssen-Bornemisza (born 7 June 1958 in Lausanne), daughter of Baron Hans Heinrich Thyssen-Bornemisza and Fiona Frances Elaine Campbell-Walter. They have one son and two daughters. ; Georg von Habsburg (born 16 December 1964), married Duchess Eilika of Oldenburg (born 22 August 1972 in Bad Segeberg). 
Title: Otto von Habsburg
Content:  son of Charles I and IV, the last emperor of Austria and king of Hungary, and his wife, Zita of Bourbon-Parma, Otto was born as Franz Joseph Otto Robert Maria Anton Karl Max Heinrich Sixtus Xaver Felix Renatus Ludwig Gaetan Pius Ignatius von Habsburg, third in line to the thrones, as Archduke Otto of Austria, Royal Prince of Hungary, Bohemia, and Croatia. With his father's accession to the thrones in 1916, he was likely to become emperor and king. As his father never abdicated, Otto was considered by himself, his family and Austro-Hungarian legitimists to be the rightful emperor-king from his father's death in 1922. Otto was active on the Austrian and European political stage 
Title: Regina von Habsburg
Content:  a captive at the Soviet camp for prisoners of war at Cherepovets in 1946. Her mother had fled with her to West Germany. Regina studied social work at Bamberg and then worked in Munich at a Caritas home for Hungarian refugees. In 1949, she met Otto von Habsburg, the heir of the House of Habsburg-Lorraine and the last crown prince of the dissolved Austria-Hungary, when he came to visit his former subjects in the Caritas home. Regina and Otto were engaged in 1950. They were fourth cousins as both were descendants of Karl Ludwig, Prince of Hohenlohe-Langenburg and his wife Countess Amalie Henriette of Solms-Baruth.
Title: Otto II, Count of Habsburg
Content:  Otto II (died 8 November 1111) was a Graf (Count) of Habsburg and one of the founding members of the Habsburg family. He was the son of Werner I, Count of Habsburg. In 1108, Otto accompanied King Henry V on a campaign against Hungary. On his return, in 1111, he was murdered. Otto is presumed to be the first person to adopt the title Graf von Habsburg. He married Hilla, countess von Pfirt (died c. 1076), with whom he had two children, Werner II and Adelheid.
Title: Otto von Habsburg
Content:   After the death of his wife, Regina, aged 85, in Pöcking on 3 February 2010, Otto stopped appearing in public. He died at the age of 98 on Monday, 4 July 2011, at his home in Pöcking, Germany. His spokeswoman reported that he died "peacefully and without pain in his sleep". On 5 July, his body was laid in repose in the Church of St. Ulrich near his home in Pöcking, Bavaria, and a massive 13-day period of mourning started in several countries formerly part of Austria-Hungary. Otto's coffin was draped with the Habsburg flag decorated with the imperial–royal coats of arms of Austria and Hungary in addition to the Habsburg family coat of arms. In line with the Habsburg family tradition, Otto von Habsburg was buried in the family's crypt in Vienna, while his heart was buried in a monastery in Pannonhalma, Hungary.
Title: Otto von Habsburg
Content:  his father, Archduke Charles, acceded to the throne. However, in 1919, after the end of the First World War, the monarchies were abolished, the republics of Austria and Hungary were founded in their place, and the family was forced into exile in Madeira. Hungary did become a kingdom again, but Charles was never to regain the throne. Instead, Miklós Horthy ruled as regent until 1944, in a kingdom without a king. Otto spoke German, Hungarian, Croatian, English, Spanish, French and Latin fluently. In later life, he would write some forty books in German, Hungarian, French and Spanish. His mother made him learn many languages because she believed he one day might rule over many lands.

Question: Who is the mother of Otto von Habsburg?
Answer: Zita of Bourbon-Parma.
Zita of Bourbon Parma.
Servant of God Zita of Austria-Hungary.