Radim Gaudentius (970- 106/1020), a member of Slavnik's dynasty, was the first archbishop of Gniezno from 1000 until 1006/1020.
In 1039 he invaded Little and Great Poland, captured Poznań and sacked Gniezno, bringing the relics of St. Adalbert, Radim Gaudentius and the Five Brothers back with him.