Great-Grandma Mullally is grandma to Grandpa Mullally. She's the one who got the Zubble-Wump egg from Grandpa's Great-Grandpa Mullally's Great-Great-Great-Great-Great-Great-Great Grandpa Mullally's Great-Grandpa's Great-Grandma. It's a pretty big family. She's only shown in a picture on the wall in Grandpa Mullally's home.

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