Complex sentence: The Commander-in-chief of Army Group Vistula Heinrich Himmler, was planning a counter-offensive from Schwedt, on January 30 1945 he ordered "SS-Standartenführer" Otto Skorzeny to prepare for the offensive.
Split into simpler sentences: The Commander-in-chief of Army Group Vistula, Heinrich Himmler, was planning a counter-offensive from Schwedt. On January 30 1945 he ordered "SS-Standartenführer" Otto Skorzeny to prepare for the offensive.