Linnea Eryka "Dolly" Olsen (nee Penelope) also known as Grandma Olsen (1897 - 1978) 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. Her nickname dolly is given because her appearance looks like a Doll. She was given this nickname by her husband. She once worked with Daphne Burns as a fashion designer.