Janet Heffernan
Janet heffenan
Jenny O'Hara as Janet Heffernan, Doug's mother
Vital statistics
Gender: Female
Born: Brooklyn, New York, U.S.
An easy-going, loving mom and wife who is also is a talented poker player
Family and Personal
Spouse(s): Joe Heffernan
Related to: Doug Heffernan (son)
Stephanie Heffernan (daughter)
Danny Heffernan (nephew)
Stu Heffernan (brother-in-law)
Trudy Heffernan (sister-in-law)
Carrie Heffernan (daughter in-law)
Heffernan Children (grandkids)
Character information
Appeared on: The King of Queens
Episodes appeared in: 15 from Seasons 3-9, 2001-07
Character played by: Jenny O'Hara

Janet Heffernan is Doug's mother and the wife of Joe Heffernan. Janet is played by actress Jenny O'Hara. Janet, who was introduced to audiences in the episode "Mentalo Case" (#5.11)" (2002), is characterized as easy-going, loving and also is quite a poker player, as she showed in the 2006 episode "Gambling N' Diction" (#8.13). She's usually the voice of reason to counter Doug's iracible father Joe, played by actor Dakin Matthews. Janet appears in a total of 15 episodes of the series.