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Only a picture of this character is shown in The Simpsons Uncensored Family Album. No other information is available. Please do not invent information such as an age. People who invent information about this character may be blocked.

Olivia Twilly (née Graycomb) was the daughter of Moselle and Amos Graycomb. Her siblings were Howie Graycomb, Zita Graycomb and Betsy Graycomb. She married Humbert Twilly and had a daughter named Babs Twilly and a son named Julius Twilly. She is Orville’s third cousin. She is the grandmother of Maude and great-grandmother to Rod and Todd.

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