Linnea Eryka "Dolly" Olsen (nee Penelope) or Grandma Olsen was the mother of Mona Simpson. The maternal grandmother of Homer Simpson, the mother-in-law of Abraham Simpson II, the grandmother-in-law of Marge Simpson, and the paternal great-grandmother of Bart Simpson, Maggie Simpson, and Lisa Simpson.


Community content is available under CC-BY-SA unless otherwise noted.