Prince Krzysztof Radziwiłł (; 22 March 1585 – 19 November 1640) was a Polish–Lithuanian noble (szlachcic), magnate, politician and military commander of his epoch. Sometimes referred to as Krzysztof Radziwiłł II, to distinguish him from his father, Krzysztof "Piorun" Radziwiłł.
Biography
Owner of Biržai, he was Field Lithuanian Hetman from 1615, Castellan of Vilnius from 1633, Voivode of Vilnius from 1633. Žiežmariai and Seje. In 1632 he served as Marshal of the Sejm.
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