Saint Gwenafwy (Wenappa) (fl. 6th c.) was a pre-congregational saint of medieval South Wales. [1] She was a daughter of Caw of Strathclyde, [2] [3] and sister of Peillan, Eigron and Peithein among others. [4] She went to Cornwall with her brother Eigron where she is the patroness of Gwennap. [5]