Article continues below advertisementAmanda Kohberger Is One of Bryan's SiblingsSource: MEGABryan Kohberger and his siblings were raised in Pennsylvania.Amanda Kohberger is one of the two sisters of Idaho murderer Bryan Kohberger.Alongside their other sister, Melissa Kohberger, the three siblings were born and raised in eastern Pennsylvania's Pocono Mountains, according to CBS News. Their parents, Michael Kohberger Jr. and MaryAnn Kohberger, both worked at the Pleasant Valley School District for years.