Complex sentence: Nana Mouskouri's family lived in Chania, Crete, where her father, Constantine, worked as a film projectionist in a local cinema; her mother, Alice, worked in the same cinema as an usherette.
Split into simpler sentences: Nana Mouskouri's family lived in Chania, Crete, where her father, Constantine, worked as a film projectionist in a local cinema. Her mother, Alice, also worked in the same local cinema as an usherette.