Margaret Groening, the mother of Simpsons creator Matt Groening, died in her sleep on April 22 at age 94, as reported in an obituary in The Oregonian.

Born Margaret Ruth Wiggum, to Norwegian-born parents in Everett, Washington, she went on to become high school valedictorian, May Queen of Linfield College and a high school English teacher. Her late husband, Homer Groening, whom she met in school and she “chose because he made her laugh the most,” passed away in 1996.

A spokesperson for The Simpsons confirmed the obituary in the LA Times and said that her son had declined any public comment. She is survived by her brother Arnold; her children, Mark, Matt, Lisa and Maggie; eight grandchildren and two great-grandchildren. Further confirmed by the obituary, Groening famously used names from his own family when creating Simpsons characters, with the exception of the name Bart, which is an anagram for “brat”.

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