Complex sentence: When he went bankrupt in 1958, Schindler left his wife and returned to Germany, where he failed at several business ventures and relied on financial support from "Schindlerjuden" ("Schindler Jews")--the people whose lives he had saved during the war.
Split into simpler sentences: When he went bankrupt in 1958, Schindler left his wife and returned to Germany. Upon return he failed at several business ventures and relied on financial support from "Schindlerjuden" ("Schindler Jews")--the people whose lives he had saved during the war.