KILWYCH (CIL-WYCH), a parcel in the parish of LLANVIHANGEL-CWM-DU, hundred of CRICKHOWEL, county of BRECKNOCK, SOUTH
WALES, miles (N. by W.) from Crickhowel, containing 371 inhabitants. The name of this place, signifying " the cheerful
retreat," is applicable to its situation in the pleasing vale of Cwm Du. A certain portion of the tithes of this parcel
was anciently granted to the prior and monks of St. John the Evangelist in Brecknock, by Pycard, a Norman knight, to whom
Bernard de Newmarch gave the lordship of Ystradiw; but on the dissolution of the priory they passed into lay occupation,
in which they still remain. Penyarth, a beautiful scat on the banks of the Usk, originally belonging to the Vaughans,
afterwards sold to William Augustus Gott, Esq., who built the present mansion, and now the property of Joseph Bailey,
Esq., commands rich and pleasing views of the Vale of Crickhowel.