Casgliad o hymnau (1849, 1852),
450
Tyr’d, Ysbryd grasol, oddi fry
Tyr’d, Ysbryd grasol, oddi fry
First line: Tyr’d, Ysbryd grasol, oddi fry
First line: Tyr’d, Ysbryd grasol, oddi fry