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In page Yaroslav the Wise:

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Leaving aside the legitimacy of Yaroslav's claims to the Kievan throne and his postulated guilt in the murder of his brothers, Nestor the Chronicler and later Russian historians often presented him as a model of virtue, styling him "the Wise".[citation needed] A less appealing side of his personality is revealed by his having imprisoned his youngest brother Sudislav for life. In response, another brother, Mstislav of Chernigov, whose distant realm bordered the North Caucasus and the Black Sea, hastened to Kiev.