(Renville County, MN)--A Renville County man has pleaded guilty to sexually abusing his step-great-grand daughter. According to court records, Anthony Negen, 74, of Renville, pleaded guilty last week to 2nd Degree Criminal Sexual Conduct. He has been sentenced to 72 months in prison. Officials say Negen abused the girl over the course of 8 years, starting in 2013.

Negen reportedly has a prior conviction for 2nd Degree Criminal Sexual Conduct from 1984.

He will be sentenced at a later date.