ANDERSON COUNTY, Tenn. (WVLT) -- A man and woman have been arrested in East Tennessee for allegedly raping their three children.

The Anderson County Sheriff’s Office said a grand jury recently returned dozens of child abuse and sexual abuse indictments against Christopher William Arnold Sr., 38 of Claxton and Nancy Renee Arnold, 35 of Powell.

The pair had been under investigation by the sheriff’s office, Tennessee Department of Children’s Services and Clinch Valley Children’s Center since before the November 3rd indictments were handed down.

Both were taken into custody on Friday, November 13th.

Christopher was arrested at his home on Mehaffey road by deputies, U.S. Marshals and the Smoky Mountain Fugitive Task Force. They also discovered several marijuana plants growing in his house. He was booked on drug charges as well as 41 separate charges of child sexual offenses. That includes 12 counts for rape of a child, 12 counts of incest, 10 counts of aggravated sexual battery and 7 counts of sexual battery by an authority figure. His bond was set at $200,000.

Nancy was arrested at her home on Old Clinton Pike by U.S. Marshals and the Smoky Mountain Fugitive Task Force. She faces 11 separate charges of child sexual offenses including five counts of aggravated sexual battery, three counts rape of a child and three counts of incest. Her bond was set at $175,000.

Both will be arraigned in the Anderson County Circuit Court on November 20th.

The investigation is still considered ongoing.