Complex sentence: DeHaan was born in Allentown, Pennsylvania to Jeff DeHaan, is a computer programmer, and Cynthia (née Boscia), a Knoll Furniture executive.
Split into simpler sentences: DeHaan was born in Allentown, Pennsylvania. His father, Jeff DeHaan, is a computer programmer, and his mother, Cynthia (née Boscia), is a Knoll Furniture executive.