Mrs. Olsen was the mother of Mona Simpson and the wife of Mr. Olsen. She is the maternal grandmother of Homer Simpson, the paternal great-grandmother of Bart Simpson, Lisa Simpson, and Maggie Simpson and also the grandmother-in-law of Marge Simpson. She did not approve of Mona's relationship with Abe, Mona saying "To piss off my mother, and it worked! Tell the kid I love him, but I'm as bad at goodbyes as I am at picking husbands." after Abe asked her "Good God, woman, why did you marry me?"