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Prince Kusakabe (草壁皇子, Kusakabe no miko, 662 – May 10, 689) was a Japanese imperial crown prince from 681 until his death. He was the second son of Emperor Tenmu. His mother was the empress Unonosarara, today known as Empress Jitō. The location of his tomb is uncertain. Some suppose it to be in Takatori, Nara.