Leslie Knipfing Age, Height, Weight, Net Worth, Family, Profession, Nationality, Siblings, Bio

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Who is Leslie Knipfing?

Some celebrities have become famous due to their association as family members with popular comedians loved by all. Leslie Knipfing is one of those persons who have become renowned due to her connection with American actors, comedians, and a widely famous writer.

Many people have heard of Leslie Knipfing as the sister of two famous actors and writers, Kevin James and Gary Valentine, renowned names and famous faces in the entertainment business under their name, including their movies and TV shows. Not to mention Leslie Knipfing is also recognized for her charity events alongside her brothers.

Full NameLeslie Knipfing
Popular ForAs Kevin James and Gary Valentine’s Sister

Birthday and Zodiac

Age (As of 2023)49 years old
Date of BirthNovember 17, 1974
Zodiac SignScorpio
Birth PlaceBismarck, North Dakota, USA



Physical Stats

Height5 feet 9 inches
Eye ColorPale

Net Worth

Estimated net worth$1.5 million

Family and Relationship

FatherJoseph Valentine Knipfing Jr.
MotherJanet Knipfing
SiblingsKevin James, and Gary Valentine

Social Media

Social MediaNA

Leslie Knipfing Movies/ Filmography

Unfortunately, Leslie Knipfing has not acted like her two famous brothers in movies. Out of her brothers, Kevin George Knipfing, aka Kevin James, has been in numerous movies in 2022, including Hitch, I Now Pronounce You Chuck and Larry, Grown Ups, Zookeeper, Here Comes the Boom, Paul Blart: Mall Cop and its sequel, Pixels, Hotel Transylvania, Monster House and more. Leslie’s brother’s movies include comedic, animated, and voice-over roles.

On the other hand, her other brother Gary Joseph Knipfing, aka Gary Valentine, has also been involved in movies like Stuck on You, Jack and Jill, Wrong, Paul Blart: Mall Cop, Zookeeper, Home Team, The Dog Who Saved the Holidays, The Dog Who Saved Summer and more along with Kevin too.

Leslie Knipfing Age

Leslie Knipfing IMDb

Although it is already known that Leslie Knipfing is not an actress, she cannot have an IMDb page dedicated to her filmography, though she has a famous comedic brother named Kevin James, who is present on IMDb. As per Leslie’s brother’s IMDb, Kevin is known for his performance in Paul Blart: Mall Cop, Paul Blart: Mall Cop 2, The King of Queens, and Here Comes the boom.

Leslie Knipfing Wikipedia

Unfortunately, Leslie Knipfing is yet to be available on Wikipedia, but her famous brothers have their Wikipedia.

Leslie Knipfing Leslie Bibb

Leslie Knipfing is unrelated to Leslie Bibb, but they are confused because of their exact first name. While Knipfing is not associated with Leslie Bibb, an American actress and model, she has been in multiple movies like her brother, Kevin James. He uses this name rather than his born name, Kevin George Knipfing. Leslie Bibb has worked with Knipfing’s brother on Zookeeper, which aired in 2011 in all cinemas worldwide.

Leslie Knipfing Iron Man

Leslie Knipfing is not an American actress like her brother, Kevin. As previously mentioned, Leslie Knipfing is not an actress, but Leslie Bibb is. As a result of this, Leslie Bibb is the one who acted in Marvel Cinematic Universe’s first-ever movie, Iron man, in the year 2008, as well as its sequel, Iron Man 2, in the year 2010 and later in 2021. She was also a part of MCU’s television series, What If…?, an animated series different from other installations.

Leslie Knipfing’s Net Worth

Leslie Knipfing has established herself as a famous sister of two comedians and writers’ brother with a net worth of $1.5 million.

Leslie Knipfing King of Queens

Leslie Knipfing’s brother is recognized for his role in Doug Heffernan on the famous CBS sitcom The King of Queens, which was from the year 1998 and ended in 2007. Further, Leslie’s brother was also nominated for the Primetime Emmy Award for Outstanding Lead Actor in a Comedy Series because of King of Queens in 2006.


  • Leslie’s father was a German-American who was an insurance agency owner.
  • Leslie is the only daughter and sister of Knipfing’s family.
  • Leslie’s brother, Kevin, has been nominated for several awards shows.
  • Leslie belongs to the American nationality and has a white ethnic background.
  • Her zodiac sign of Leslie is given as Scorpio.

Frequently Asked Questions

What does Leslie knipfing do?

Leslie Knipfing works for the charity event with her brother, Kevin James.

Who is Leslie knipfing?

Leslie is the sister of famous American actor Kevin James.


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