SALEM, Mass. (AP) — A Massachusetts man has pleaded guilty to manslaughter and vehicular homicide a month after apologizing to the family of a 45-year-old man killed in a drunken driving crash.

During Thursday's sentencing hearing, 23-year-old Nathaniel Armstrong again apologized to the family of Geoffrey Stevens. The Salem News reports ( ) he was sentenced to serve six to 10 years in prison.

Under the terms of the sentence imposed Thursday, Armstrong will serve his state prison term on the charge of vehicular homicide while driving under the influence of alcohol. That will be followed by two years of probation on the manslaughter charge.

Armstrong is also ordered to abstain from drugs and alcohol. He will have to serve a total of six years before he is eligible for parole.