James Reece was arrested Tuesday evening. He is accused of sexual battery on a relative under 16 years of age.
Police began investigating when family members reported that Reece, 36, was sexually involved with the victim.
After talking to Reece, detectives believe that a sexual battery did take place and so charged him with one count of first-degree Sexual Battery.
Reece was taken to the Hillsborough County Jail without incident.