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 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."
Åke Henriksson Tott
Åke Henriksson Tott (or Achatius Tott) (1598–1640) was a Swedish soldier and politician.
His estates included Ekolsund in Sweden, Sjundeby in Finland, Polchow in Swedish Pomerania and Lihula in Swedish Livonia.
He was born in Lohja to Princess Sigrid of Sweden and nobleman Henrik Klasson Tott.
He was appointed Privy Councilor in 1630, and Field Marshal in 1631.
In the Thirty Years' War (1618–1648), he commanded troops at the Battle of Grubin, in 1627 and the Battle of Breitenfeld, in 1631.
King Gustavus Adolphus of Sweden is said to have called him "the snow plow, who is going to clear the path for the rest".
He married Sigrid Bielke (1607–1634), and fathered Clas Åkesson Tott the younger, and Åke Henrik Åkesson Tott.
Albert Thompson (footballer, born 1912)
Albert Thompson( born 1912, date of death unknown) was a Welsh footballer.
Harry Wainwright (footballer)
Harry Wainwright( born 1899; date of death unknown) was an English footballer.
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.
Harry Johnson (wrestler)
Harry Johnson( 1903- date of death unknown) was an English wrestler.
Thomas Scott (diver)
Thomas Scott( 1907- date of death unknown) was an English diver.
Sigrid of Sweden (1566–1633)
Sigrid Eriksdotter of Sweden (15 October 1566 – 1633) was a Swedish princess, the legitimized daughter of King Eric XIV of Sweden and of his lover, later spouse and queen, Karin Månsdotter.
Karin Månsdotter
Karin Månsdotter (in English Catherine; 6 November 1550 – 13 September 1612) was Queen of Sweden, first a mistress
and then, for a short period in 1568, the consort of Eric XIV of Sweden.
Bill Smith (footballer, born 1897)
William Thomas Smith( born 9 April 1897, date of death unknown) was an English professional footballer.

Question: When did Sigrid Of Sweden (1566–1633)'s mother die?
Answer: 13 September 1612