An eastern Nebraska woman was sentenced to decades behind bars for the sexual assault of a child. 

Christina Greer, 38, of Sarpy County was sentenced Monday on three counts of first-degree sexual assault of a child, two counts of witness tampering and six counts of child abuse. 

Court documents show Greer had sleepovers at her home, gave children marijuana edibles and groomed two boys - ages 12 and 13 at the time - to have sex with her. 

Police arrested Greer after a report was made she was having sex with one of the boys 2017.

She will serve 64 to 102 years in prison.