Source : Webster's Revised Unabridged Dictionary (1913)

Wher \Wher\, Where \Where\, pron. & conj. [See {Whether}.]
   Whether. [Sometimes written {whe'r}.] [Obs.] --Piers Plowman.

         Men must enquire (this is mine assent), Wher she be
         wise or sober or dronkelewe.             --Chaucer.