What does Herman mean?
From Germanic 'heri' (army) and 'man' (man), giving 'man of the army, soldier'. The Latinized Arminius refers to the same Cheruscan war-leader.
What does Randolph mean?
From the Germanic/Old Norse name Randwulf (Rannulfr), combining 'rand' ('shield, rim') and 'wulf/ulfr' ('wolf'), meaning 'shield wolf'. Note some Norman forms became confused with Rannulf ('raven wolf').