Question: When did the father of George J. Gruen pass away ?

Context paragraphs:
Sōtō: Sōtō Zen or the Sōtō school (曹洞宗 , Sōtō-shū ) is the largest of the three traditional sects of Zen in Japanese Buddhism (the others being Rinzai and Ōbaku).  It is the Japanese line of the Chinese Cáodòng school, which was founded during the Tang Dynasty by Dòngshān Liánjiè.  It emphasizes Shikantaza, meditation with no objects, anchors, or content.  The meditator strives to be aware of the stream of thoughts, allowing them to arise and pass away without interference.

George J. O'Shea, Jr.: George J. O'Shea, Jr. is an American politician who represented the 12th Essex District in the Massachusetts House of Representatives from 1957 to 1963.  Outside politics he worked in real estate and insurance.  He is the son of state representative George J. O'Shea, Sr.

George J. Gruen: George J. Gruen (1877–1953) was an American watchmaker who managed the Gruen Watch Co. He was the second son of the founder Dietrich Gruen.

Dietrich Gruen: Dietrich Gruen (February 22, 1847April 10, 1911), was a German born watchmaker who emigrated to the United States in the 1860s and later founded the Gruen watch Company.

Ru Baru: 'Ru Baru' (English: Face-to-Face) is a Pakistani drama serial that is airing on Hum TV.  The show is written by Hoor Shumail, Produced by Momina Duraid, directed by Saife Hassan, and background music is done by Furqan and Imran.  The story centers around Shabeeh and Tipu's marriage.  Shabeeh, lives with her grandmother and uncles, after her parents pass away and is brought up by the maternal family.  She marries her cousin’s friend, Sarmad, who has severe mood swings and some psychological issues.  She discovers that her mother had an affair with Sarmad's father and eventually became his step-mother.  Tipu is in love with his cousin and marries her; Kiran becomes paranoid and suspicious about Tipu cheating on her which eventually leads to divorce.  The drama serial premiered on 9 January 2014 in Pakistan, with the prime slot of 8:00 pm every Thursday on the channel Hum TV.

Model Rocketry (magazine): Model Rocketry was an American hobbyist magazine published from October 1968 to February 1972.  The Editor and Publisher was George J. Flynn and the Managing Editor was Gordon K. Mandell.  Other members of the editorial and business staffs, some of whom held several positions at various times during the years the magazine was published, were Assistant Editors Robert B. Singer (November 1969 to November 1971) and Robert Parks (July 1970 to February 1972); Technical Editor Douglas J. Malewicki (November 1969 to February 1972); Business Managers George J. Caporaso (October 1968 to August 1969), Jerome Apt, III (Jay Apt) (September 1969 to December 1970), Thomas T. Milkie (January to November 1971), and Arthur H. (Trip) Barber (December 1971 to February 1972); Technical Correspondent George J. Caporaso (September 1969 to February 1972); Distribution Managers Thomas T. Milkie (October 1968 to October 1969), Kevin P. Brown (November 1969 to December 1970), and Steven Glines (January 1971 to February 1972); and Art Director Thomas T. Milkie (November and December 1969).  The magazine was published by Model Rocketry, Inc., a closely held corporation owned by founding staff members George J. Flynn, Gordon K. Mandell, George J. Caporaso, and Thomas T. Milkie and members of their families.  Its paid circulation reached 15,000 by 1970.

Word taboo: Word taboo is the restricted use of words due to social constraints.  The taboo against naming the dead in parts of the world is an example.  Taboo words are commonly avoided with euphemisms, such as the English euphemism "pass away", meaning "die".  It is a common source of neologisms and lexical replacement.

George J. Hatfield: George J. Hatfield (October 29, 1887 – November 15, 1953) served as U.S. Attorney for the Northern District of California from 1925–33 and was the 32nd Lieutenant Governor of California from 1935 to 1939 serving under Governor Frank Merriam.  In 1953 there was a state park area created located near Turlock named after him.  There was also a bridge named the "George J. Hatfield Bridge" which was located along Route 165 at the San Joaquin River in Merced County.

Buddha's Dispensation: Buddha's Dispensation (Buddha-sasana) is the time period which Dharma (Pali Canon) exist and follow.  It is totally 5000 years after the Buddha's Parinirvana (pass away or "Skandha Parinirvana").  There are three types of Parinirvana those are "Klesha Parinirwana", "Skandha Parinirvana" and "Dhatu Parinirvana".

Lotte Weeda: Lotte Weeda is a romance novel by Dutch author Maarten 't Hart.  It was first published in 2004.  It narrates the story of the panic that starts in a village in the province of Zuid-Holland (South-Holland) after several villagers pass away shortly after they have been depicted in a photo book.

Supporting paragraphs: George J. Gruen Dietrich Gruen
Answer: 1911