A sick Kentucky couple will spend the next two decades behind bars after they were convicted of heinous child abuse in their vile house of horrors — where one kid had to suck insulation to stay hydrated, reports said.

Mary Hall, 44, was granted guardianship of her sister’s three children after she died in a tragic car accident in 2018 and the children’s father went to prison for manslaughter charges, WYMT reported.

Hall moved to Pike County in Kentucky with the three children after beginning a relationship with 44-year-old Jerome Norman, and the children’s teachers and principal soon began to notice worrying signs of abuse — including mysterious bruises and hunger patterns by at least one of the children.

Marry Hall, 44, was granted guardianship of her sister’s three children after she died in a tragic car accident in 2018.…