Grzegorz Radziwiłł (1578–1613), fourth Grzegorz in Radziwiłł family, was a Polish–Lithuanian noble (szlachcic), Castellan of Trakai in the Polish–Lithuanian Commonwealth.
Grzegorz IV Radziwiłł
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Grzegorz Radziwiłł (1578–1613), fourth Grzegorz in Radziwiłł family, was a Polish–Lithuanian noble (szlachcic), Castellan of Trakai in the Polish–Lithuanian Commonwealth.