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Leslie Knipfing Biography

Leslie Knipfing

Facts of Leslie Knipfing

Date of Birth: 1974 , November-17
Birth Nation: United States
Height: 5 Feet 8 Inch
Name Leslie Knipfing
Birth Name Leslie Knipfing
Father Joseph Valentine Knipfing
Mother Janet Knipfing
Nationality American
Birth Place/City Mineola, New York, United States
Ethnicity German-American
Profession Activist, Social Worker
Net Worth $1.5 million
Siblings Kevin James and Gary Valentine

Quick Timeline of Leslie Knipfing

1974 Leslie Knipfing was Born

Detail Timeline of Leslie Knipfing

November 17 , 1974

Leslie Knipfing was Born

Leslie Knipfing was born on November 17, 1974, in New York, USA. She is a sweet sister to Hollywood actors and comedians Kevin James and Gary Joseph Knipfing aka Gary Valentine. 


Leslie Knipfing is born to parents father Joseph Valentine Knipfing and mother Janet Knipfing. She was born in Mineola, New York, United States and was raised in Stony Brook, Long Island along with her two brothers.

Leslie was born on November 17, 1974. She is a sweet sister to Hollywood actors and comedians Kevin James and Gary Joseph Knipfing aka Gary Valentine

Knipfing is of American nationality with German descent. She is of white ethnicity. She has a height of 5 feet and 8 inches. She has beautiful blonde hair with light brown eyes.  There is not much recorded of Leslie, unlike her famous brothers. 

Like her brothers, she was inspired to make it big in Hollywood. Unfortunately, she has a rare genetic disorder Retinitis Pigmentosa. This rare disorder is known to impair the eyesight, and Leslie's vision is not up to par compared to others' eyesight.  

Her poor vision hindered her from pursuing acting seriously. Because of that, she could not shine in Hollywood like her brothers, still, she managed to be productive with a substitute work and in what she does best.

Kind-hearted and gentle Leslie started working in various charities to raise awareness of Retinitis Pigmentosa. It was easier for her to get into awareness programs because she had the disease herself and knew what it is like to go through the phase of hindering and degrading eyesight. 

It is with her brother Kevin James that she works with most. She raises money to help people and with the coordination along with James she has been successful to fund a lot of money for many charities and non-profit organizations.

She also helps Kevin James to manage his time and schedule events. Kevin has been heard many times saying that he is grateful towards his sister Leslie for being his pillar of support and being such a kind-hearted and devoted person to put her time into helping others.

Because she is so private and not in the entertainment business, information about her having a husband or being married is not known.

Though Leslie's salary could not be recorded her estimated net worth is $1.5 million which is very small compared to his Hollywood actor brother Kevin James. Kevin has an expected net worth of around $80 million.