- John Henson dies at home at the age of 48, the Jim Henson Company announces
- He suffered a "sudden, massive heart attack," according to the company
- John was a shareholder, board member with the Jim Henson Company
- His father helped develop "The Muppets," "Fraggle Rock" and "Sesame Street"
(CNN) -- John Henson -- a son of the late, great children's entertainment visionary Jim Henson -- died after a "sudden, massive heart attack," his family's company said.
The Jim Henson Company announced the death of the 48-year-old son of its iconic founder in a Facebook post Saturday.
He died Friday while at home with one of his two daughters, the post said. John Henson is also survived by his wife, Gyongyi, and his siblings Lisa, Cheryl, Brian and Heather.
Two other members of his family had top jobs in their father's namesake company, with Brian Henson as chairman and Lisa Henson as CEO. John Henson is listed prominently as one of five members of "the Henson family" on the company's website.
Click through to see people who passed away in 2014.
John Henson, son of Jim Henson, perhaps most notable for his portrayal of Sweetums, a large, gruff-looking, lovable character on "The Muppets," died after a "sudden, massive heart attack," his family's company said on February 15.
Veteran actor Ralph Waite died at 85 on Thursday, February 13, according to an accountant for the Waite family and a church where the actor was a regular member. Waite was best known for his role as John Walton Sr. on 'The Waltons."
Sid Caesar, whose clever, anarchic comedy on such programs as "Your Show of Shows" and "Caesar's Hour" helped define the 1950s "Golden Age of Television," died on February 12. He was 91.
Hollywood child star Shirley Temple, who became diplomat Shirley Temple Black, died February 10 at her Woodside, California, home. She was 85.
Joan Mondale, the wife of former Vice President Walter Mondale, died on February 3, according to a statement from the family's church.
Oscar-winning actor Philip Seymour Hoffman was found dead in his Manhattan apartment of an apparent drug overdose, law enforcement sources said February 2.
Maximilian Schell died on February 1 in a Austrian hospital with his wife by his side, his agent Patricia Baumbauer said. He was 83. Schell was nominated for an Oscar three times. He won in 1962 for "Judgment at Nuremberg."
Legendary folk singer Pete Seeger, known for classics such as "Where Have All the Flowers Gone" and "If I Had a Hammer (The Hammer Song)," died of natural causes in New York on January 27, his grandson told CNN. He was 94.
Ruth Robinson Duccini, who played one of the Munchkins in the 1939 classic "The Wizard of Oz," died on January 16. She was 95.
Former Playboy centerfold Cassandra Lynn Hensley was found dead at a friend's home in Los Angeles, the coroner there said on January 17. Hensley was 34. Her cause of death was not immediately known.
Hiroo Onoda, center, salutes after handing over his military sword on Lubang Island in the Philippines in March 1974. Onoda, a former intelligence officer in the Japanese army, had remained on the island for nearly 30 years, refusing to believe his country had surrendered in World War II. He died at a Tokyo hospital on January 16. He was 91.
Russell Johnson, center, stands with Alan Hale Jr., left, and Bob Denver in an episode of "Gilligan's Island" in 1966. Johnson, who played "the professor" Roy Hinkley in the hit television show, passed away January 16 at his home in Washington state, according to his agent, Mike Eisenstadt. Johnson was 89.
Ariel Sharon, whose half century as a military and political leader in Israel was marked with victories and controversies, died on January 11 after eight years in a coma, Israeli Army Radio reported. Sharon was 85.
Franklin McCain, seen center wearing glasses, one of the "Greensboro Four," who made history for their 1960 sit-in at a Greensboro Woolworth's lunch counter, died on January 10 after a brief illness, according to his alma mater, North Carolina A&T State University.
Larry Speakes, who served as President Ronald Reagan's press secretary, died January 10 at his home in Cleveland, Mississippi, following a lengthy illness, according to Bolivar County Coroner Nate Brown. He was 74.
Poet Amiri Baraka, who lost his post as New Jersey's poet laureate because of a controversial poem about the 9/11 terror attacks, died on January 9, his agent said. Baraka was 79.
Sir Run Run Shaw, the media tycoon who helped bring Chinese martial arts films to an international audience, died at his home in Hong Kong on January 7 at age 106, the television station he founded said.
Stage, TV and film actress Carmen Zapata, who founded the Bilingual Foundation of the Arts as a means of of introducing "the rich and eloquent history of the diverse Hispanic culture to English-speaking audiences," died on January 5 at her Los Angeles home. She was 86.
Portugal football legend Eusebio, who was top scorer at the 1966 World Cup, died from a heart attack on January 5 at age 71, said his former club, Benfica.
Alicia Rhett, who had been one of the oldest surviving cast members of the classic film "Gone With the Wind," died on January 3 in her longtime hometown of Charleston, South Carolina, a retirement community spokeswoman said. She was 98.
Singer Phil Everly, left -- one half of the groundbreaking, smooth-sounding, record-setting duo the Everly Brothers -- died on January 3, a hospital spokeswoman said. He was 74.
Photos: People we lost in 2014
John Henson served as a shareholder and board member of The Jim Henson Company.
According to imdb.com, John Henson was active in the family business in the 1980s, 1990s and 2000s, perhaps most notably for his portrayal of Sweetums, a large, gruff-looking, lovable character on "The Muppets."
His father, Jim, died suddenly in 1990, after a celebrated career in which he launched shows like "The Muppets," "Fraggle Rock" and created beloved characters from "Sesame Street" such as Big Bird, Elmo, the Cookie Monster and Oscar the Grouch.
Last April, John's mother, Jane Nabel Henson -- who met Jim in a puppetry class at the University of Maryland in 1954 and married him five yeas later -- died at the age of 79 after a "long battle with cancer."
The Jim Henson Company itself remains busy with fantasy and sci-fi productions as well as children's animated series such as "Sid the Science Kid" and "Dinosaur Train."
