question: When was Karl-Konstantin Von Habsburg's father born?
context: [["Theodred II (Bishop of Elmham)", ["Theodred II was a medieval Bishop of Elmham.", "The date of Theodred's consecration unknown, but the date of his death was sometime between 995 and 997."]], ["Francesca von Habsburg", ["Francesca von Habsburg- Lothringen( born 7 June 1958) is an art collector and the estranged wife of Karl von Habsburg, current head of the House of Habsburg- Lorraine."]], ["Michaela von Habsburg", ["Michaela von Habsburg(\" Michaela Maria Madeleine Kiliana Habsburg- Lothringen\") was born 13 September 1954, in W\u00fcrzburg.", "She is the twin sister of Monika von Habsburg, and daughter of Otto von Habsburg and Princess Regina of Saxe- Meiningen."]], ["Andrea von Habsburg", ["Andrea von Habsburg(\" Andrea Maria von Habsburg- Lothringen\") Archduchess of Austria, Hereditary Countess of Neipperg,( born 30 May 1953, in W\u00fcrzburg, Bavaria), is the first child and oldest daughter of Otto von Habsburg and his wife, Princess Regina of Saxe- Meiningen."]], ["Etan Boritzer", ["Etan Boritzer( born 1950) is an American writer of children \u2019s literature who is best known for his book\" What is God?\" first published in 1989.", "His best selling\" What is?\" illustrated children's book series on character education and difficult subjects for children is a popular teaching guide for parents, teachers and child- life professionals.", "Boritzer gained national critical acclaim after\" What is God?\" was published in 1989 although the book has caused controversy from religious fundamentalists for its universalist views.", "The other current books in the\" What is?\" series include", "What is Love?,", "What is Death?,", "What is Beautiful?,", "What is Funny?,", "What is Right?,", "What is Peace?,", "What is Money?,", "What is Dreaming?,", "What is a Friend?,", "What is True?,", "What is a Family?,", "What is a Feeling?\"", "The series is now also translated into 15 languages.", "Boritzer was first published in 1963 at the age of 13 when he wrote an essay in his English class at Wade Junior High School in the Bronx, New York on the assassination of John F. Kennedy.", "His essay was included in a special anthology by New York City public school children compiled and published by the New York City Department of Education.", "Boritzer now lives in Venice, California and maintains his publishing office there also.", "He has helped numerous other authors to get published through\" How to Get Your Book Published!\" programs.", "Boritzer is also a yoga teacher who teaches regular classes locally and guest- teaches nationally.", "He is also recognized nationally as an erudite speaker on\" The Teachings of the Buddha.\""]], ["Karl-Konstantin von Habsburg", ["Karl-Konstantin von Habsburg (Given names: Karl-Konstantin Michael Stephan Maria; born on 20 July 2004 in Budapest) referred to in Austria as Karl-Konstantin Habsburg-Lothringen, in Hungary as Habsburg K\u00e1roly Konstantin, and also as Archduke Karl-Konstantin of Austria, is the only son of Georg von Habsburg and Duchess Eilika of Oldenburg.", ", he is considered third in line of succession to the former Austro-Hungarian throne.", "He is the great-grandson of Emperor Charles I of Austria through his grandfather Otto von Habsburg.", "Through his maternal grandfather, he is a descendant of George II of Great Britain, and would therefore be in line for the British throne were he not a Catholic and barred by the Act of Settlement."]], ["Georg von Habsburg", ["Georg von Habsburg (given names \"Paul Georg Maria Joseph Dominikus\"; born 16 December 1964, in Starnberg), referred to in Austria as Georg Habsburg-Lothringen, in Hungary as Habsburg Gy\u00f6rgy, and by his royal name as Archduke Georg of Austria, is the second son, and seventh and youngest child of Otto von Habsburg, the last Crown Prince of Austria-Hungary, and Princess Regina of Saxe-Meiningen."]], ["Konstantin von Notz", ["Konstantin von Notz( born 21 January 1971 in M\u00f6lln) is a German lawyer and politician.", "He is a member of the Alliance'90/ The Greens party."]], ["Konstantin von H\u00f6fler", ["Konstantin von H\u00f6fler was a German church and general historian, publicist, ennobled anti-nationalist politician and poet."]], ["Monika von Habsburg", ["Monika von Habsburg(\" n\u00e9e\" Monika Maria Roberta Antonia Raphaela Habsburg- Lothringen), Duchess de Santangelo( born 13 September 1954, in W\u00fcrzburg), the daughter of Otto von Habsburg and Princess Regina of Saxe- Meiningen."]]]
supporting_facts: [["Karl-Konstantin von Habsburg", 0], ["Georg von Habsburg", 0]]
evidences: [["Karl-Konstantin von Habsburg", "father", "Georg von Habsburg"], ["Georg von Habsburg", "date of birth", "16 December 1964"]]
answer: 16 December 1964