Tsuchiya Masanao served as [[Kyoto shoshidai]] from [[1685]]/9/23 to [[1687]]/10/13, at which time he became a ''[[roju|rôjû]]''.
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Tsuchiya Masanao served as a member of the ''[[roju|rôjû]]'' for over thirty years, through the reigns of [[Shogun]] [[Tokugawa Tsunayoshi]], [[Tokugawa Ienobu|Ienobu]], and [[Tokugawa Ietsugu|Ietsugu]].<ref>Tashiro Kazui, "Chôsen tsûshinshi gyôrestu emaki no kenkyû," ''Chôsen gakuhô'' 137 (1990/10), 21.</ref>
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Prior to that, he served as [[Kyoto shoshidai]] from [[1685]]/9/23 to [[1687]]/10/13.