Authorities in Montgomery County report a woman was arrested on an assault charge, Friday evening. 68-year old Andrea Jeanette Holldorf, of Grant, was taken into custody by Montgomery County Sheriff’s Deputies at around 6:50-p.m.  Holldorf was arrested for Simple Assault following an incident that occurred in the 300 block of Jefferson Avenue, in Grant. She was brought to the Montgomery County Jail and held on a $300 bond.