A mother-of-two mysteriously vanished with her two young daughters, with cops revealing a chilling theory about their disappearance.
Martha Unger, 23, and her daughters – two-year-old Madilynn Grace Unger and one-year-old Haylie Faith Unger – were reported missing from their home in rural Haskell County, Kansas, just before 7pm on Friday.
Just a few hours later, the Kansas Bureau of Investigation issued an ‘endangered persons advisory’ for the mother and her children.
The bureau then released its theory about the mother’s disappearance, saying she ‘may have been coerced to travel to Mexico to a religious rehabilitation facility with Corney and Elizabeth Klaasen.’
Martha Unger, 23, was reported missing with her two young daughters on Friday night
Two-year-old Madilynn Grace Unger and one-year-old Haylie Faith Unger both have blonde hair and blue eyes
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It is unclear how Unger may have known the Klaasens, and which ‘religious rehabilitation facility’ in Mexico the middle-aged couple may be taking her to.
However, the Kansas Bureau of Investigation says it wants to ‘check the welfare of Martha and her children,’ and is asking anyone with information about their whereabouts to ‘call 911 immediately.’
A relative also posted on Facebook that she is ‘praying Martha and the girls will be home soon.’
‘If any one is willing please keep my brother and his family in your prayers,’ one friend wrote on Saturday.
The Kansas Bureau of Investigation believes Unger may have been ‘coerced’ to travel to Mexico by Corney and Elizabeth Klaasen (pictured)
Unger is described as a white female who is approximately five feet, six inches tall and weighing about 120 pounds. She has brown hair and green eyes.
Her children have blonde hair and blue eyes.
It is believed she is driving a white 2015 Ford Explorer with the Kansas license plate 301RJY.
The Klaasens, meanwhile, are both in their 50s.
Corney was described as an approximately six-foot-two man weighing about 200 pounds.
The Klaasens are believed to be driving a black and white Chevy Blazer with Mexico tags
He is ‘clean shaven’ and was last seen wearing jeans and a button-up shirt.
A description for Elizabeth Klaasen was not provided, but in a photograph of the couple that the KBI shared, she appears to be a white woman with brown hair and dark-rimmed glasses.
The Klaasens may be driving a black and white Chevy Blazer with Mexico tags.
DailyMail.com has reached out to the Kansas Bureau of Information for more information.