Williamson County, IL - The Williamson County Sheriff's Office is searching for two missing girls believed to have been kidnapped by their stepfather.

The girls are 9-year-old Corbyn E. Erwin and 7-year-old Celsie E. Erwin. 

Authorities believe they may be in the company of their stepfather, Damon Jones, 37, of Johnston City.

The entries for Celsie and Corbyn in the Statewide and Nationwide computer database have changed from “Missing” to “Missing/Involuntary” and a request for an Amber Alert has been sent to the Illinois State Police.

Jones is most likely driving a white 2006 Chrysler van with an Illinois Temporary Registration 823R204.

Corbyn is 4'8" tall and 80 pounds with brown eyes and hair.

Celsie is 4'2" tall and 60 pounds with hazel eyes and hair.

Damon Jones is 5'8" tall and 140 pounds with brown eyes and hair.

The girls were last seen at home around 5:00 p.m. on Sunday, Dec. 14th. 

There has been no contact with Jones or the girls since then. 

If anyone has any contact with Damon Jones, Corbyn Erwin, or Celsie Erwin contact the Williamson County Sheriff's Office at 618-997-6541 or your local law enforcement agency.