Zygmunt Karol Radziwiłł was a Polish-Lithuanian noble, komorzy stolowicki from 1614, poznanski from 1625, krajczy of the queen from 1617, krajczy or Lithuania from 1633, podczaszy of Lithuania from 1638, voivode of Nowogródek from 1642, member of Knights Hospitaller, patron of Knight Hospitallers centers in Poznań and Stwołowce. Wikipedia