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Mrs.Kataoka is the mother of Tamako Kotaka Nobi as well as Nobita's maternal grandmother. She rarely makes an appearance with most of it in the past that has Nobita and Doraemon travels to the past but also appears in Gourmet Table Episode and We're Gonna Steal Mom's Diamond.


  • She, along with her husband, are the only living grandparents of Nobita.