Complex sentence: In January, Zeitzler was made Chief of Staff to General Gerd von Rundstedt, OB West (Commander in Chief West), and commander of Army Group D. He played an important role in responding to the British raid on Dieppe on August 19,1942.
Split into simpler sentences: In January, Zeitzler was made Chief of Staff to General Gerd von Rundstedt, the Commander in Chief West. He plaid an important role in responding to the British raid on Dieppe of August 19,1942.