Complex sentence: Hewel was born in 1904 to parents Anton and Elsa in Cologne where his father ran a cocoa factory, his father died in 1913, leaving Elsa to run the factory.
Split into simpler sentences: Hewel was born in 1904 to parents Anton and Elsa in Cologne, where his father ran a cocoa factory. His father died in 1913, leaving Elsa to run the factory.