Question: What was the real first name of the legendary character on whom the film "Jeremiah Johnson" was partly based?

full_context: Document 1: Butch Cassidy and the Sundance Kid: Butch Cassidy and the Sundance Kid is a 1969 American Western film directed by George Roy Hill and written by William Goldman (who won the Academy Award for Best Original Screenplay for the film). Based loosely on fact, the film tells the story of Wild West outlaws Robert LeRoy Parker, known as Butch Cassidy (Paul Newman), and his partner Harry Longabaugh, the "Sundance Kid" (Robert Redford), who are on the run from a crack US posse after a string of train robberies. The pair and Sundance's lover, Etta Place (Katharine Ross), flee to Bolivia in search of a more successful criminal career, where they meet their end.
Document 2: Man-Eaters of Kumaon: Man-Eaters of Kumaon is a 1944 book written by hunter-naturalist Jim Corbett. It details the experiences that Corbett had in the Kumaon region of India from the 1900s to the 1930s, while hunting man-eating Bengal tigers and Indian leopards. One tiger, for example, was responsible for over 400 human deaths. "Man-Eaters of Kumaon" is the best known of Corbett's books and contains 10 stories of tracking and shooting man-eaters in the Indian Himalayas during the early years of the twentieth century. The text also contains incidental information on flora, fauna and village life. Seven of the stories were first published privately as Jungle Stories.
Document 3: James Young Deer: James Young Deer (April 1, 1876 – April 6, 1946), also known as J. Younger Johnson or Jim Young Deer, was actually born James Young Johnson in Washington, D.C. Although he was identified in the early Hollywood trade paper Moving Picture World as of the Winnebago Tribe of Nebraska, his ancestry is of the Nanticoke people of Delaware. He became an early film actor, director, writer, and producer. He is believed to be the first Native American filmmaker/producer in Hollywood. Together with his wife and partner Lillian St. Cyr, Winnebago, the couple were labeled an "influential force" in the production of one-reel Westerns during the first part of the silent film era. Their films, along with several others of the silent era, were notable for portraying Native Americans in a positive light.
Document 4: Joaquín Martínez: Joaquin Martinez (November 5, 1930 – January 3, 2012) was a Mexican-born American film, theatre and television actor. Often appearing in Westerns, Martinez was perhaps best known for starring roles in the 1972 film, "Jeremiah Johnson", in which he played a Crow chief, Paints His Shirt Red, and the 1972 film, "Ulzana's Raid", which was directed by Robert Aldrich and starred Burt Lancaster. Martinez was often typecast in roles that stereotyped Latinos, Native Americans, and Mexicans, but he frequently changed and reworked his characters through his acting, sometimes causing tensions with a production's director.
Document 5: Ben Johnson (chairman): Bender "Ben" Johnson Jr. (May 22, 1939 - March 31, 2014) was an American Makah politician and fisheries expert. He served as the chairman and member of the Makah Tribal Council from 1998 until 2000 and from 2001 until 2007. He was chairman of the Makah during the first successful hunt of a Pacific gray whale in 1999. The 1999 hunt, which took a 30-ton 30 1/2-foot female gray whale, was the first harvest of a whale by the Makah since the 1920s. Johnson supported the hunt, which drew worldwide attention and controversy.
Document 6: Junior Bonner: Junior Bonner is a 1972 film directed by Sam Peckinpah and starring Steve McQueen, Joe Don Baker, Robert Preston and Ida Lupino. The film focuses on a veteran rodeo rider as he returns to his hometown of Prescott, Arizona, to participate in an annual rodeo competition and reunite with his brother and estranged parents. Many critics consider it to be the warmest and most gentle of Sam Peckinpah's films.
Document 7: Albert Johnson (criminal): Albert Johnson (died February 17, 1932), known as the Mad Trapper of Rat River, was a fugitive whose actions eventually sparked off a huge manhunt in the Northwest Territories and Yukon in Northern Canada. The event became a media circus as Johnson eluded the Royal Canadian Mounted Police (RCMP) team sent to take him into custody, which ended after a 150 mi foot chase lasting more than a month and a shootout in which Johnson was fatally wounded on the Eagle River, Yukon. Albert Johnson was a pseudonym and his true identity remains unknown.
Document 8: Josh Albee: Josh Albee (born September 19, 1959) is an American television actor, known for his work as a child actor during the 1970s, and for the role as the young, mute boy Caleb in the feature film, "Jeremiah Johnson".
Document 9: Kit Carson: Christopher Houston Carson (December 24, 1809 – May 23, 1868), better known as Kit Carson, was an American frontiersman. He was a mountain man (fur trapper), wilderness guide, Indian agent, and U.S. Army officer. Carson became a frontier legend in his own lifetime via biographies and news articles. Exaggerated versions of his exploits were the subject of dime novels.
Document 10: Lake Jed Johnson: Lake Jed Johnson, named for Jed Johnson (1888–1963), is third largest of thirteen small reservoirs in the Wichita Mountains National Wildlife Refuge, located in southwestern Oklahoma. It has a surface area of 57.5 acre and can be accessed by a boat ramp. The area is home to deer, elk, Longhorn cattle and bison, and there are many opportunities for boating, fishing, hunting, and hiking throughout the refuge.
Document 11: Mountain Man (novel): Mountain Man (1965) is a novel written by Vardis Fisher. Set in the mid-1800s United States, it tells the story of Sam Minard, a hunter/trapper living and wandering throughout Montana, Wyoming and Idaho, the book is separated into three parts: Lotus, Kate and Sam. The book was adapted for Sydney Pollack's film, "Jeremiah Johnson" (1972).
Document 12: List of Old West gunfighters: This is a list of Old West gunfighters, referring to outlaws or lawmen, of the American frontier who gained fame or notoriety during the American Wild West or Old West. The term "gunslinger" is a modern, 20th-century invention, often used in cinema or other media to refer to men in the American Old West who had gained a reputation as being dangerous with a gun. A gunfighter may or may not be an outlaw or a lawman. An outlaw had usually been convicted of a crime, such as Black Bart, but may have only gained a reputation as operating outside the law, such as Ike Clanton. Some of those listed may have also served in law enforcement, like Marshal Burt Alvord who subsequently became an outlaw, and some outlaws like Johnny Ringo were deputized at one time or another. Some of the gunfighters listed included professional scouts, businessmen, and even doctors.
Document 13: Liver-Eating Johnson: John "Liver-Eating" Johnson born John Jeremiah Johnston (c.1824 – January 21, 1900) was a mountain man of the American Old West.
Document 14: The Naked Prey: The Naked Prey is a 1965 adventure film starring Cornel Wilde, who also served as director and producer, which was released by Paramount Pictures. Set in the South African veldt, the film is a wilderness survival story loosely based on the experiences of explorer John Colter, who was pursued by Blackfoot warriors through frontier Wyoming in 1809. The screenplay earned Clint Johnson and Don Peters an Academy Award nomination.
Document 15: Jeremiah Johnson (film): Jeremiah Johnson is a 1972 American western film directed by Sydney Pollack and starring Robert Redford as the title character and Will Geer as "Bear Claw" Chris Lapp. It is said to have been based partly on the life of the legendary mountain man Liver-Eating Johnson, recounted in Raymond Thorp and Robert Bunker's book "Crow Killer: The Saga of Liver-Eating Johnson" and Vardis Fisher's "Mountain Man".
ground_truth: John