Question: When did Constantina (Empress)'s mother die?

Knowledge 1: Constantina (empress)
Constantina (c. 560 – c. 605) was the Empress consort of Maurice of the Byzantine Empire.She was a daughter of Tiberius II Constantine and Ino Anastasia.Her parentage was recorded in the chronicles of Theophylact Simocatta, Paul the Deacon and John of Biclaro.The "Georgian Chronicle" identifies Constantina as a daughter of Khosrau II.However the Chronicle was compiled in the 13th century and so the contradictory parentage is considered a mistake.Other later accounts make Constantina his mother in law through her - most likely fictional - daughter Miriam/Maria. [SEP] Knowledge 2: Ino Anastasia
Ino , renamed Aelia Anastasia (died 593) was the Empress consort of Tiberius II Constantine (r. 578–582) of the Byzantine Empire, and "Augusta" from 578 until her death.
Knowledge 1: Constantina (empress)
Constantina (c. 560 – c. 605) was the Empress consort of Maurice of the Byzantine Empire.She was a daughter of Tiberius II Constantine and Ino Anastasia.Her parentage was recorded in the chronicles of Theophylact Simocatta, Paul the Deacon and John of Biclaro.The "Georgian Chronicle" identifies Constantina as a daughter of Khosrau II.However the Chronicle was compiled in the 13th century and so the contradictory parentage is considered a mistake.Other later accounts make Constantina his mother in law through her - most likely fictional - daughter Miriam/Maria. [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: Constantina (empress)
Constantina (c. 560 – c. 605) was the Empress consort of Maurice of the Byzantine Empire.She was a daughter of Tiberius II Constantine and Ino Anastasia.Her parentage was recorded in the chronicles of Theophylact Simocatta, Paul the Deacon and John of Biclaro.The "Georgian Chronicle" identifies Constantina as a daughter of Khosrau II.However the Chronicle was compiled in the 13th century and so the contradictory parentage is considered a mistake.Other later accounts make Constantina his mother in law through her - most likely fictional - daughter Miriam/Maria. [SEP] Knowledge 2: Harry Wainwright (footballer)
Harry Wainwright( born 1899; date of death unknown) was an English footballer.

Answer: 593