Complex sentence: Hanover was born Donna Ann Kofnovec in Oakland, California to Catholic parents, Robert G. Kofnovec, a United States Navy officer who retired as a Lieutenant Commander, and Gwendolyn Dolores Kofnovec.
Split into simpler sentences: Hanover was born Donna Ann Kofnovec in Oakland, California of a Roman Catholic family. Her parents are Robert G. Kofnovec, a United States Navy officer who retired as a Lieutenant Commander, and Gwendolyn Dolores Kofnovec.