Complex sentence: The original nucleus of the exhibit were collections of Catherine Faraggiana Ferrandi, her brother, the explorer Ugo Ferrandi, and her son Alessandro, a who maintained exhibits and a zoologic park at the their Villa Farragiana a Meina.
Split into simpler sentences: The original nucleus of the exhibit were collections of Catherine Faraggiana Ferrandi, her brother, the explorer Ugo Ferrandi, and her son Alessandro. Catherine and her son maintained exhibits and a zoologic park at the their Villa Farragiana a Meina.