Kevin James’ Siblings: Gary Valentine and Leslie Knipfing

kevin james wife and kid
kevin james wife and kid

Kevin James is a popular American comedian, actor, and producer, known for his roles in movies such as Hitch, Grown Ups, and Paul Blart: Mall Cop.


Despite his success, not many people are aware of Kevin James’ siblings, Gary Valentine and Leslie Knipfing.

Gary Valentine, born Gary Joseph Knipfing, is Kevin James’ older brother.

He is also an American comedian and actor who has appeared in several movies and TV shows.

Gary is best known for his role as Danny Heffernan in the popular TV show “The King of Queens,” which also starred his brother, Kevin James.


Leslie Knipfing, on the other hand, is Kevin James’ sister. Not much is known about her, as she prefers to stay out of the limelight.

She has never appeared in any movies or TV shows and keeps a low profile.

Gary Valentine

Gary Valentine was born on November 22, 1961, in Mineola, New York.

He is the third of six children and grew up in Stony Brook, New York.

He attended Ward Melville High School, where he excelled in sports and played football and basketball.

After high school, Gary worked as a nightclub manager before pursuing a career in comedy.

He started performing stand-up comedy in the early 1990s and quickly gained popularity.

In 1993, he appeared on “The Late Show with David Letterman,” which helped him gain national attention.

Gary’s big break came when he was cast in “The King of Queens,” a sitcom that aired from 1998 to 2007.

He played Danny Heffernan, the best friend of Kevin James’ character, Doug Heffernan.

Gary also wrote several episodes of the show and served as a consulting producer.

Apart from “The King of Queens,” Gary has appeared in several movies and TV shows.

He has had roles in movies such as “Stuck on You,” “Paul Blart: Mall Cop,” and “Here Comes the Boom.”

He has also made guest appearances on TV shows such as “Men of a Certain Age,” “Rules of Engagement,” and “The Goldbergs.”

Leslie Knipfing

Leslie Knipfing was born in Mineola, New York, and is the oldest of Kevin James’ siblings.

She prefers to keep a low profile and is not involved in the entertainment industry. Not much is known about her personal life or career.

Kevin James has a close relationship with both of his siblings, Gary and Leslie.

Despite being in the entertainment industry, Kevin has always remained grounded and values his family above everything else.

In an interview with People Magazine, Kevin talked about how his siblings keep him grounded.

He said, “My siblings keep me humble. They don’t care about what I do for a living. They treat me like I’m still just their brother.”

Kevin also frequently collaborates with his brother, Gary, in his movies and TV shows.

Gary has appeared in several of Kevin’s movies, including “Paul Blart: Mall Cop” and “Zookeeper.” Kevin has also made guest appearances on “The King of Queens.”