Question: When did Cosima Von Bülow Pavoncelli's father die?

Knowledge 1: Cosima von Bülow Pavoncelli
Countess Cosima von Bülow Pavoncelli (born 15 April 1967) is a British socialite and philanthropist of American, Danish and German ancestry and daughter of the lawyer Claus von Bülow and Sunny von Bülow.She was named on the International Best Dressed List Hall of Fame in 1999. [SEP] Knowledge 2: Claus von Bülow
Claus von Bülow (born Claus Cecil Borberg; 11 August 1926 – 25 May 2019) was a Danish-British socialite.He was convicted of the attempted murder of his wife Sunny von Bülow (born Martha Sharp Crawford, 1932–2008) in 1979, which had left her in a temporary coma, as well as insulin overdose in 1980 which left her in a persistent vegetative state for the rest of her life.On appeal, however, both convictions were reversed, and he was found not guilty at his second trial.
Knowledge 1: Cosima von Bülow Pavoncelli
Countess Cosima von Bülow Pavoncelli (born 15 April 1967) is a British socialite and philanthropist of American, Danish and German ancestry and daughter of the lawyer Claus von Bülow and Sunny von Bülow.She was named on the International Best Dressed List Hall of Fame in 1999. [SEP] Knowledge 2: Sunny von Bülow
Martha Sharp Crawford von Bülow, known as Sunny von Bülow( September 1, 1932 − December 6, 2008), was an American heiress and socialite.Her husband, Claus von Bülow( 1926 − 2019), was convicted of attempting to murder her in 1980 by insulin overdose, but the conviction was overturned on appeal.A second trial found him not guilty, after experts opined that there was no insulin injection and that her symptoms were attributable to over-use of prescription drugs.The story was dramatized in the book and movie," Reversal of Fortune".Sunny von Bülow lived almost 28 years in a persistent vegetative state, from December 1980 until her death in a New York City nursing home on December 6, 2008.
Knowledge 1: Sunny von Bülow
Martha Sharp Crawford von Bülow, known as Sunny von Bülow( September 1, 1932 − December 6, 2008), was an American heiress and socialite.Her husband, Claus von Bülow( 1926 − 2019), was convicted of attempting to murder her in 1980 by insulin overdose, but the conviction was overturned on appeal.A second trial found him not guilty, after experts opined that there was no insulin injection and that her symptoms were attributable to over-use of prescription drugs.The story was dramatized in the book and movie," Reversal of Fortune".Sunny von Bülow lived almost 28 years in a persistent vegetative state, from December 1980 until her death in a New York City nursing home on December 6, 2008. [SEP] Knowledge 2: Etan Boritzer
Etan Boritzer( born 1950) is an American writer of children ’s 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 includeWhat 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."

Answer: 25 May 2019