Glendower,
Owen 1359?-1416?; Welsh chieftain: rebelled against Henry IV
See Glendower in American Heritage Dictionary 4
(glĕnˈdouˌər, glĕn-douˈ-), Owen 1359?-1416?
Welsh rebel who led a revolt against Henry IV (1400), controlled most of Wales, and summoned his own parliament (1405) before being effectively crushed by English forces (1409).