Complex sentence: Richard Breitenfeld (13 October 1869-1944) was a German baritone who was a member of the Frankfurt Opera ensemble and was murdered in the Theresienstadt concentration camp.
Split into simpler sentences: Richard Breitenfeld (13 October 1869-1944) was a German baritone. He was a member of the Frankfurt Opera ensemble and was murdered in the Theresienstadt concentration camp.