Dead were found at noon on Tuesday in Loggo Aigio by a 54-year-old mother and a 26-year-old son.
According to initial information, the two victimscarry woundsfrom a sharp object, most likely a knife.
The victims were found in their homein a pool of blood, but the reasons for the killing have not yet been released.
Police authorities are examining all possibilities, while the 65-year-old Italian partner of the 54-year-old woman, who is considered a suspect in the case, is being questioned as part of the investigation.
It is not yet clear whether the 65-year-old is also the biological fatherof the 26-year-old. Investigations by the National Police are in full swing.