He accompanied Adalbert on his fatal journey to Prussia in 997 .
Boniface and Alexius on the Aventine , with Radim adopting the name Gaudencius or Gaudentius .
Radim accompanied Adalbert on Radim 's fatal journey to Prussia in 997 .
Boniface and Alexius on the Aventine , with Radim adopting the name Gaudencius or Gaudentius .