Probably being dead.
Marge Simpson's mother in law is Mona Simpson.
Homer's mother was Mona Simpson (Deceased)Marge's mother is Jaqueline Bouvier
Homer's mother, Mona, played by Glen Close, appears in 'Mother Simpson' (8th episode, 7th season), 'My Mother the Carjacker' (2nd episode, 15th season) and 'Mona Leaves-a' (19th episode, 19th season).
Kurt and Luann Van Houten
Bart Simpson is a fictional character, you can't be "exactly" like him.
Mona Simpson - The Simpsons - was created in 1991.
Mona Simpson was born on 1957-06-14.
Marge Simpson's mother in law is Mona Simpson.
There was no evidence presented on The Simpsons that Mona was adopted.
Mona Simpson has been voiced by actresses, including Glenn Close, Maggie Roswell, Tress MacNeille.
Mona Simpson and Jacqueline Ingrid Bouvier.
US author Mona E. Simpson is 60 years old (birthdate June 14, 1957). The Simpsons' Mona Simpson (Homer's mom) was in her seventies when she died in a 2008 episode. Her age was never revealed.
Mona Simpson
Glenn Close
Mona was 76 & Abe's last stated age is 83
Mona J Simpson.
not a muslim