Question: When did Violant Of Castile's husband die?

Knowledge 1: Violant of Castile
Violant of Castile (1265–1287/1308), infanta of Castile and Lady of Biscay on her marriage to Diego López V de Haro.She was the daughter of Alfonso X of Castile, and Violant of Aragon. [SEP] Knowledge 2: Diego López V de Haro
Diego López V de Haro, nicknamed "el Intruso" (c. 1250 – 1310),was a Spanish noble of the House of Haro and held the title of the Lord of Biscay which he took from the pretender to the title, John of Castile.He further served in the capacity of Mayordomo mayor del rey and the Alférez del rey of Ferdinand IV of Castile.He was a major benefactor of the city of Bilbao, where he expanded the local fishing village and granted it the power to maintain its customs market free of any "Portazgo" (royal tribute) answerable only to the authority of the Lord of Biscay.
Knowledge 1: Diego López V de Haro
Diego López V de Haro, nicknamed "el Intruso" (c. 1250 – 1310),was a Spanish noble of the House of Haro and held the title of the Lord of Biscay which he took from the pretender to the title, John of Castile.He further served in the capacity of Mayordomo mayor del rey and the Alférez del rey of Ferdinand IV of Castile.He was a major benefactor of the city of Bilbao, where he expanded the local fishing village and granted it the power to maintain its customs market free of any "Portazgo" (royal tribute) answerable only to the authority of the Lord of Biscay. [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."
Knowledge 1: Violant of Castile
Violant of Castile (1265–1287/1308), infanta of Castile and Lady of Biscay on her marriage to Diego López V de Haro.She was the daughter of Alfonso X of Castile, and Violant of Aragon. [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: 1310