The Udono of Tôtômi claimed descent from Fujiwara Sanekata, a man of letters during the Heian Period. They were a noted retainer family of the Imagawa during the Sengoku Period, but declined in power following the Imagawa's defeat at Okehazama in 1560.
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The Udono of [[Totomi province|Tôtômi]] claimed descent from [[Fujiwara Sanekata]], a man of letters of the [[Heian Period]]. They were a noted retainer family of the [[Imagawa clan]] during the [[Sengoku Period]], but declined in power following the Imagawa's defeat at [[Battle of Okehazama|Okehazama]] in [[1560]].