Complex sentence: Herbert Kuhlmann (17 April 1915--9 November 1985) was a mid-level commander in the Waffen-SS of Nazi Germany during World War II, who was awarded the Knight's Cross of the Iron Cross.
Split into simpler sentences: Herbert Kuhlmann (17 April 1915--9 November 1985) was a German SS commander during the Nazi era. During World War II, he served in various Waffen-SS units and was awarded the Knight's Cross of the Iron Cross.