Career
He was Deputy Cup-Bearer of Lithuania from 1510, voivode of Kiev Voivodeship from 1510, Field Hetman of Lithuania in 1521, castellan of Trakai from 1522, castellan of Vilnius from 1527, Marshal of the Court from 1528, Grand Hetman of Lithuania from 1531, Starost of Hrodna, Namiestnik of Vilnius, Maišiagala, Mereck, Utena, Mozyrsk, Lida, Skidal, Bielica, Kryńsk and Oziersk. He took part in various conflicts against Muscovy, the Cossacks and the Tatars. He had two daughters, of which the younger Barbara Radziwiłł became mistress and later queen to King of Poland and Grand Duke of Lithuania Zygmunt II August, which greatly strengthened the Radziwiłł family"s position in Poland and Lithuania.