Question: Which Curb Your Enthusiasm actor is the son of Harry Einstein?

full_context: Document 1: Bob Brunner: Robert "Bob" Brunner (August 3, 1934 – October 28, 2012) was an American screenwriter, film producer, and television producer. He frequently collaborated in film and television with Garry Marshall, the creator of "Happy Days". Brunner is credited with creating the "Fonzie" nickname for Henry Winkler's character, Arthur Fonzarelli, on "Happy Days". He also created one of Fonzie's key catchphrases, "Sit on it."
Document 2: Charles Burnett (director): Charles Burnett (born April 13, 1944, in Vicksburg, Mississippi) is an African-American film director, film producer, writer, editor, actor, photographer, and cinematographer. His most popular films include "Killer of Sheep" (1978), "My Brother's Wedding" (1983), "To Sleep with Anger" (1990), "The Glass Shield" (1994), and "" (2007). He has been involved in other types of motion pictures including shorts, documentaries, and a TV series.
Document 3: Charles Sieger: Charles Sieger was an Italian-American boxer who fought in the early 1900s. Fighting out of Hoboken, New Jersey, he was not particularly known for his fighting skills, but had tremendous strength and was able to withstand brutal punishment in the ring, which earned him the nickname "The Iron Man." On November 14, 1902 he fought Joe Gans for the World Lightweight Championship in Baltimore, but lost by TKO in the 14th round. One month later on December 31 he fought Gans again in Boston, this time with the match ending in a pre-arranged draw. In 1915, Sieger ran for mayor of Hoboken, but lost the election.
Document 4: Bob Saget: Robert Lane "Bob" Saget (born May 17, 1956) is an American stand-up comedian, actor, and television host. His television roles include Danny Tanner on the ABC sitcom "Full House" (1987–95) and its Netflix sequel "Fuller House", and hosting "America's Funniest Home Videos" from 1989 to 1997. Saget is also known for his adult-oriented stand-up routine. He also provided the voice of the future Ted Mosby on the CBS sitcom "How I Met Your Mother" from 2005 to 2014.
Document 5: Chris Kattan: Christopher Lee Kattan ( ; born October 19, 1970) is an American actor and comedian, best known for his work as a cast member on "Saturday Night Live", his role as Bob on the first four seasons of "The Middle", and for playing Doug Butabi in "A Night at the Roxbury".
Document 6: Charles West (author): Charles West (born 1927), British crime novelist, is a former actor. He studied acting at RADA and singing at Dartington Hall Music School. He was a member of the Old Vic Theatre Company 1958-1962 and subsequently performed in 9 West End musicals in London, including Daddy Warbucks in "Annie" at Victoria Palace beginning in the 1970s and Don Quixote in Man of La Mancha at the Martin Beck Theater on Broadway. He wrote his first novel "Destruction Man", while acting in Australia. His Australian detective Paul Crook features in "Stonefish", "Stage Fright", "Little Ripper", and "The Long Hook". Married to actress Julia West (a National Theatre company member who appeared in the film "Atonement"), he lives in Wallingford, Oxfordshire.
Document 7: Charles Bronson: Charles Bronson (born Charles Dennis Buchinsky; Lithuanian: "Karolis Dionyzas Bučinskis" ; November 3, 1921 – August 30, 2003) was an American actor.
Document 8: Stuart Pankin: Stuart Pankin (born April 8, 1946) is an American comic actor who is best known for his comedy roles, he has frequently performed at St. Vincent Summer Theatre. On television, he has played anchor Bob Charles in "Not Necessarily the News", Earl Sinclair in "Dinosaurs" and Orthodox Jew Ben Heineman in "Curb Your Enthusiasm", as well as making many guest appearances in many television shows and lending his voice into various animated shows and film. Among his approximately three dozen films was "Hollywood Knights", and he starred in "" and its sequels, as Commander Plank. He also appeared in "Honey, We Shrunk Ourselves" and "Arachnophobia" and as Jimmy in "Fatal Attraction".
Document 9: Larry David: Lawrence Gene David (born July 2, 1947) is an American comedian, writer, actor, playwright, and television producer. He and Jerry Seinfeld created the television series "Seinfeld", where he served as its head writer and executive producer from 1989 to 1996. David has subsequently gained further recognition for the HBO series "Curb Your Enthusiasm," which he also created, in which he stars as a semi-fictionalized version of himself.
Document 10: Bob Einstein: Stewart Robert "Bob" Einstein (born November 20, 1942) is an American actor, comedy writer and producer, who is best known for creating and performing the satirical stuntman character Super Dave Osborne. Einstein is also known for his roles as Marty Funkhouser in "Curb Your Enthusiasm", and Larry Middleman on "Arrested Development".
Document 11: Charles Bowers: Charles R. Bowers (June 7, 1889 – November 26, 1946) was an American cartoonist and slapstick comedian during the silent film and early "talkie" era. He was forgotten for decades and his name was notably absent from most histories of the Silent Era, although his work was enthusiastically reviewed by André Breton and a number of his contemporaries. As his surviving films have an inventiveness and surrealism which give them a freshness appealing to modern audiences, after his rediscovery his work has sometimes been placed in the "top tier" of silent film accomplishments (along with those of, for example, Charlie Chaplin, Buster Keaton, Harold Lloyd). In comic style, he probably modelled himself after both Harry Langdon and Buster Keaton and was known to the French as ""Bricolo"."
Document 12: Harry Einstein: Harry Einstein (May 6, 1904 – November 23, 1958), known professionally by a multitude of pseudonyms, most commonly Parkyakarkus, was an American comedian, writer, and character actor. A specialist in Greek dialect comedy, he became famous as the Greek chef Nick Parkyakarkus on the Eddie Cantor and Al Jolson radio programs, and later on a program of his own. He appeared in eleven films (as Parkyakarkas, or a close variant) from 1936 to 1945.
Document 13: Charles Einstein: Charles Einstein (August 2, 1926 – March 7, 2007) was a newspaperman and sportswriter. He was also the author of the novel "The Bloody Spur", on which the film "While the City Sleeps" by Fritz Lang was based. His father was the comedian Harry Einstein. He is the older half-brother of comedic actors Albert Brooks and Bob Einstein, better known by his stage name "Super Dave Osborne".
Document 14: Charles Lederer: Charles Lederer (December 31, 1906 – March 5, 1976) was an American screenwriter and film director. He was born into a prominent theatrical family in New York, and after his parents divorced, was raised in California by his aunt, Marion Davies, mistress to newspaper publisher William Randolf Hearst. A child prodigy, he entered college at age 13, but dropped out after a few years to work as a journalist with Hearst's newspapers.
Document 15: Curb Your Enthusiasm: Curb Your Enthusiasm is an American comedy television series produced and broadcast by HBO that premiered on October 15, 2000. The series was created by Larry David, who stars as a fictionalized version of himself. The series follows Larry in his life as a semi-retired television writer and producer in Los Angeles and later New York City. Also starring are Cheryl Hines as his wife, Cheryl; Jeff Garlin as his manager, Jeff; and Susie Essman as Jeff's wife, Susie. "Curb Your Enthusiasm" often features guest stars, and many of these appearances are by celebrities playing versions of themselves fictionalized to varying degrees.
ground_truth: Stewart Robert "Bob" Einstein