La nipote
La nipote is a 1974 Italian commedia sexy allitalianaerotic drama film directed by Nello Rossati and starring Daniele Vargas with Francesca Muzio.
Veneto in the year 1958. Wealthy engineer Luigi Favaretto Vargas arrives at his summer retreat to spend a quiet holiday with his dimwitted son Antonio Roberto Proietti, second wife Zoraide Annie Carol Edel who is a former stripper, their voluptuous housemaid Doris Orchidea De Santis, and Piero George Ardisson, his friend but also Zoraides secret lover. However, everything changes when Adele Muzio, Zoraides niece comes to stay with them following her mothers demise.
Source: Wikipedia