John Strasberg
John Strasberg (born May 20, 1941 in New York City) is the son of Lee and Paula Strasberg of the Actors Studio, and brother of actress Susan Strasberg.
Susan Strasberg
Susan Elizabeth Strasberg (May 22, 1938 – January 21, 1999) was an American stage, film, and television actress, the daughter of the drama coach Lee Strasberg.
She was nominated for a Tony Award when she was 18 years old.
Lars Eliasson
He is the father of the later Member of Parliament Anna Eliasson.
Ronald Mourad Cohen
Sir Ronald Mourad Cohen( born 1 August 1945) is an Egyptian- born British businessman and political figure.
He is the chairman of The Portland Trust and Bridges Ventures.
He has been described as" the father of British venture capital" and" the father of social investment".
John Templeton (botanist)
John Templeton( 1766–1825) was an early Irish naturalist and botanist.
He is often referred to as the" Father of Irish Botany".
He was the father of naturalist, artist and entomologist Robert Templeton.
Cleomenes II
Cleomenes II( died 309 BC) was Agiad King of Sparta from 369 to 309 BC.
The son of Cleombrotus I, he succeeded his brother Agesipolis II.
He was the father of Acrotatus I, the father of Areus I, and of Cleonymus, the father of Leonidas II.
Obata Toramori
He was the father of Obata Masamori.
Arthur Beauchamp
Arthur Beauchamp( 1827 – 28 April 1910) was a Member of Parliament from New Zealand.
He is remembered as the father of Harold Beauchamp, who rose to fame as chairman of the Bank of New Zealand and was the father of writer Katherine Mansfield.
Östen Mäkitalo
Östen Mäkitalo( 27 August 1938 – 16 June 2011) was a Swedish electrical engineer.
He is considered to be the father of the Nordic Mobile Telephone( NMT) system and many times the father of cellular phone.
Yasuichi Oshima
He is the father of manga artist Towa Oshima.

Question: Who is John Strasberg's father?
Answer: Lee Strasberg