Tamao Kataoka is Nobita's maternal uncle, and also Nobisuke Nobi's brother-in-law. He is also Tamako Kataoka's younger brother. In the manga, Tamao's name is Tamaotto. (Source: Doraemon Wiki)
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Tamao Kataoka is Nobita's maternal uncle, and also Nobisuke Nobi's brother-in-law. He is also Tamako Kataoka's younger brother. In the manga, Tamao's name is Tamaotto. (Source: Doraemon Wiki)
