The Lehigh County coroner's office is seeking the next of kin of Yvonne Suzette Rohrbach, 51, of Berks County.

Rohbach was pronounced dead on Monday at 12:23 a.m. by Chief Deputy Coroner Andrew Kehm. An autopsy was scheduled for this morning.Rohbach was a passenger on a motorcycle that crashed on Sunday around 11:30 p.m. at the intersection of Route 222 and Mill Creek Road in Upper Macungie Township. She was ejected from the motorcycle.Anyone with information on Rohrbach is asked to call the coroner's office at 610-782-3426.